Medical Conditions

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All

2

• 22q11.2 deletion syndrome
  

A

• A fib
  
• AAA
  
• Abdominal aortic aneurysm
  
• Abdominal pregnancy
  
• Abnormalities
  
• Abnormally excessive sweating
  
• ABPA
  
• Abscess
  
• Abscess, Bartholin's
  
• Abscesses
  
• Absence seizure
  
• Abuse
  
• Acanthosis nigricans
  
• Accidents
  
• Achalasia
  
• Achilles tendinitis
  
• Achilles tendon
  
• Achilles tendon injuries
  
• Achilles tendon rupture
  
• Achondroplasia
  
• Acid and chemical burns
  
• Acid reflux
  
• Acid reflux in babies
  
• Acid reflux, infant
  
• ACL injuries
  
• ACL injury
  
• Acne
  
• Acne inversa
  
• Acne vulgaris
  
• Acoustic neuroma
  
• Acoustic neuroma (vestibular schwannoma)
  
• Acquired immunodeficiency syndrome
  
• Acrochordon
  
• Acromegaly
  
• Actinic keratoses (solar keratoses)
  
• Actinic keratosis
  
• Actinomycosis
  
• Acute bronchitis
  
• Acute cholecystitis
  
• Acute coronary syndrome
  
• Acute flaccid myelitis
  
• Acute flaccid myelitis (AFM)
  
• Acute granulocytic leukemia
  
• Acute inflammatory demyelinating polyneuropathy
  
• Acute kidney failure
  
• Acute kidney injury
  
• Acute liver failure
  
• Acute lymphoblastic leukaemia
  
• Acute lymphoblastic leukemia
  
• Acute lymphocytic leukemia
  
• Acute lymphoid leukemia
  
• Acute mountain sickness
  
• Acute myeloblastic leukemia
  
• Acute myelogenous leukemia
  
• Acute myeloid leukaemia
  
• Acute myeloid leukemia
  
• Acute myeloid leukemia (AML)
  
• Acute nonlymphocytic leukemia
  
• Acute pancreatitis
  
• Acute radiation sickness
  
• Acute radiation syndrome
  
• Acute radiation syndrome (ARS)
  
• Acute renal failure
  
• Acute respiratory distress syndrome
  
• Acute respiratory distress syndrome (ARDS)
  
• Acute rhinosinusitis
  
• Acute sinusitis
  
• Acute symptomatic seizures secondary to autoimmune encephalitis
  
• ADD
  
• Addiction
  
• Addiction withdrawal
  
• Addiction, alcohol
  
• Addiction, gambling
  
• Addiction, nicotine
  
• Addison's disease
  
• Adenitis, mesenteric
  
• Adenoma
  
• Adenomyosis
  
• Adenoviral infection
  
• Adenovirus infections
  
• Adenoviruses
  
• ADHD
  
• ADHD in adults
  
• ADHD in children
  
• ADHD in children and young people
  
• Adhd, adult
  
• Adhesions
  
• Adhesive capsulitis
  
• Adjustment disorder
  
• Adjustment disorders
  
• Adnexal tumors and masses
  
• Adolescent development
  
• Adolescent mental health
  
• Adolescent pregnancy
  
• Adolescent schizophrenia
  
• Adrenal cancer
  
• Adrenal fatigue
  
• Adrenal gland cancer
  
• Adrenal mass
  
• Adrenocortical carcinoma
  
• Adrenoleukodystrophy
  
• Adult attention-deficit/hyperactivity disorder (ADHD)
  
• Adult congenital heart disease
  
• Adult Still's disease
  
• Adult-onset Still's disease
  
• AE
  
• AFM
  
• After surgery
  
• Age spots (liver spots)
  
• Age-related cataract
  
• Age-related macular degeneration (AMD)
  
• Age-related macular degeneration, dry
  
• Age-related macular degeneration, wet
  
• Agnogenic myeloid metaplasia
  
• Agnosia
  
• Agoraphobia
  
• AIDP
  
• AIDS
  
• AIDS and HIV infection
  
• AIDS and infections
  
• AIDS and pregnancy
  
• AIDS/HIV
  
• Air pollution
  
• Airplane ear
  
• Airsickness
  
• Albinism
  
• Alcohol abuse
  
• Alcohol abuse in pregnancy
  
• Alcohol addiction
  
• Alcohol and youth
  
• Alcohol dependence
  
• Alcohol dependence (alcoholism)
  
• Alcohol intolerance
  
• Alcohol misuse
  
• Alcohol poisoning
  
• Alcohol use disorder
  
• Alcohol use disorder (AUD)
  
• Alcohol use disorder (AUD) treatment
  
• Alcohol withdrawal
  
• Alcohol withdrawal syndrome
  
• Alcohol-associated hepatitis
  
• Alcohol-related liver disease
  
• Alcoholic hepatitis
  
• Alcoholic liver disease
  
• Alcoholism
  
• Alkaptonuria
  
• ALL
  
• Allergic bronchopulmonary aspergillosis
  
• Allergic granulomatosis
  
• Allergic granulomatosis and angiitis
  
• Allergic reactions to cow's milk
  
• Allergic rhinitis
  
• Allergic rhinitis (hay fever)
  
• Allergies
  
• Allergies (food)
  
• Allergies and hypersensitivities
  
• Allergy
  
• Allergy, dust mite
  
• Allergy, egg
  
• Allergy, food
  
• Allergy, latex
  
• Allergy, milk
  
• Allergy, mold
  
• Allergy, nickel
  
• Allergy, peanut
  
• Allergy, penicillin
  
• Allergy, pet
  
• Allergy, shellfish
  
• Allergy, wheat
  
• Alopecia
  
• Alopecia (hair loss)
  
• Alpha-1 antitrypsin deficiency
  
• Alpha-1 antitrypsin deficiency (AATD)
  
• Alpha-gal syndrome
  
• ALS
  
• Altitude sickness
  
• Alveolar osteitis
  
• Alzheimer's disease
  
• Ambiguous genitalia
  
• Amblyopia
  
• Ameloblastoma
  
• Amenorrhea
  
• Amenorrhoea
  
• American trypanosomiasis
  
• Amino acid metabolism disorders
  
• AML
  
• Amnesia
  
• Amnesia, transient global
  
• Amnestic syndrome
  
• Ampullary cancer
  
• Ampullary carcinoma
  
• Amyloid disease
  
• Amyloidosis
  
• Amyotrophic lateral sclerosis
  
• Amyotrophic lateral sclerosis (ALS)
  
• Anabolic steroid abuse
  
• Anabolic steroid misuse
  
• Anabolic-androgenic steroid abuse
  
• Anaemia
  
• Anaemia (iron deficiency)
  
• Anaemia (vitamin B12 or folate deficiency)
  
• Anal cancer
  
• Anal fissure
  
• Anal fistula
  
• Anal injury
  
• Anal trauma
  
• Anaphylaxis
  
• Anaplasmosis
  
• Anatomy
  
• Ancylostomiasis
  
• Androgen insensitivity syndrome
  
• Androgenetic alopecia
  
• Andropause
  
• Anemia
  
• Anemia, aplastic
  
• Anemia, Cooley's
  
• Anemia, iron deficiency
  
• Anemia, mediterranean
  
• Anemia, sickle cell
  
• Anemia, vitamin deficiency
  
• Anencephaly
  
• Aneurysm
  
• Aneurysm (abdominal aortic)
  
• Aneurysm (brain)
  
• Aneurysm, aortic
  
• Aneurysm, cerebral
  
• Aneurysm, popliteal
  
• Aneurysm, thoracic aortic
  
• Aneurysms
  
• Angelman syndrome
  
• Angiitis
  
• Angina
  
• Angina pectoris
  
• Angioedema
  
• Angioedema and hives
  
• Angiofollicular lymph node hyperplasia
  
• Angiosarcoma
  
• Animal and human bites
  
• Animal bites
  
• Animal diseases and your health
  
• Animal health
  
• Ankle fracture
  
• Ankle injuries and disorders
  
• Ankle sprain
  
• Ankyloglossia
  
• Ankylosing spondylitis
  
• Anorexia
  
• Anorexia nervosa
  
• Anorgasmia in women
  
• Anosmia
  
• Anosmia (loss of smell)
  
• Anterior cruciate ligament injuries
  
• Anterior cruciate ligament injury
  
• Anterior vaginal prolapse
  
• Anterior vaginal prolapse (cystocele)
  
• Anthrax
  
• Antibiotic resistance
  
• Antibiotic-associated colitis
  
• Antibiotic-associated diarrhea
  
• Antimicrobial resistance
  
• Antiphospholipid syndrome
  
• Antiphospholipid syndrome (APS)
  
• Antisocial personality disorder
  
• Anxiety
  
• Anxiety disorder, generalized
  
• Anxiety disorder, social
  
• Anxiety disorders
  
• Anxiety disorders in children
  
• Anxiety in teenagers
  
• Anxiety, fear and panic
  
• Aortic aneurysm
  
• Aortic aneurysm, abdominal
  
• Aortic coarctation
  
• Aortic dissection
  
• Aortic insufficiency
  
• Aortic regurgitation
  
• Aortic stenosis
  
• Aortic valve disease
  
• Aortic valve regurgitation
  
• Aortic valve stenosis
  
• APD
  
• Apert syndrome
  
• Aphasia
  
• Aphasia, primary progressive
  
• Aphthous stomatitis
  
• Aphthous ulcer
  
• Apical ballooning syndrome
  
• Aplastic anemia
  
• Apnoea (sleep)
  
• Appendicitis
  
• Apraxia of speech
  
• APS
  
• Arachnoiditis
  
• ARDS
  
• Arenaviruses
  
• Argentine hemorrhagic fever
  
• Arm fracture
  
• Arm injuries and disorders
  
• Arnold-Chiari malformation
  
• Arrhythmia
  
• Arteriosclerosis / atherosclerosis
  
• Arteriovenous fistula
  
• Arteriovenous malformation
  
• Arteriovenous malformation (AVM)
  
• Arteritis, giant cell
  
• Arteritis, Takayasu's
  
• Arthritis
  
• Arthritis in children (juvenile arthritis)
  
• Arthritis in children (juvenile idiopathic arthritis)
  
• Arthritis, basal joint
  
• Arthritis, degenerative
  
• Arthritis, gouty
  
• Arthritis, infectious
  
• Arthritis, juvenile idiopathic
  
• Arthritis, osteoarthritis
  
• Arthritis, psoriatic
  
• Arthritis, reactive
  
• Arthritis, rheumatoid
  
• Arthritis, septic
  
• Arthritis, thumb
  
• Asbestosis
  
• Ascariasis
  
• ASD
  
• Aseptic meningitis
  
• Aseptic necrosis
  
• Asperger syndrome
  
• Asperger's
  
• Asperger's syndrome
  
• Aspergillosis
  
• Asphyxia due to foreign body airway obstruction
  
• Asthma
  
• Asthma (in children)
  
• Asthma (pregnancy)
  
• Asthma and pregnancy
  
• Asthma attack
  
• Asthma in pregnancy
  
• Asthma, childhood
  
• Asthma, exercise-induced
  
• Asthma, occupational
  
• Astigmatism
  
• Astrocytoma
  
• AT
  
• Ataxia
  
• Ataxia telangiectasia
  
• Atelectasis
  
• Atherosclerosis
  
• Atherosclerosis (peripheral)
  
• Athlete's foot
  
• Atopic dermatitis
  
• Atopic dermatitis (eczema)
  
• Atopic eczema
  
• Atrial fibrillation
  
• Atrial flutter
  
• Atrial septal defect
  
• Atrial septal defect (ASD)
  
• Atrial tachycardia
  
• Atrioventricular canal defect
  
• Atrioventricular nodal reentry tachycardia (AVNRT)
  
• Atrioventricular septal defect
  
• Atrophic vaginitis
  
• Attachment disorder
  
• Attention deficit disorder
  
• Attention deficit disorder (ADD or ADHD)
  
• Attention deficit hyperactivity disorder (ADHD)
  
• Attention deficit hyperactivity disorder in adults
  
• Attention-deficit/hyperactivity disorder (ADHD) in children
  
• Atypical genitalia
  
• Atypical hyperplasia of the breast
  
• Auditory information processing disorder
  
• Auditory processing disorder
  
• Auditory processing disorder (APD)
  
• Australian bat lyssavirus infection (ABLV)
  
• Autism
  
• Autism spectrum disorder
  
• Autism spectrum disorder (ASD)
  
• Autoimmune associated epilepsy
  
• Autoimmune diseases
  
• Autoimmune encephalitis
  
• Autoimmune encephalopathy
  
• Autoimmune epilepsy
  
• Autoimmune hepatitis
  
• Autoimmune pancreatitis
  
• Autonomic neuropathy
  
• Autosomal dominant polycystic kidney disease
  
• Autosomal dominant polycystic kidney disease (adpkd)
  
• Autosomal recessive polycystic kidney disease
  
• Autosomal recessive polycystic kidney disease (arpkd)
  
• Avascular necrosis
  
• Avascular necrosis (osteonecrosis)
  
• Avian flu
  
• Avian influenza
  
• AVN
  
• AVNRT
  
• Avulsed tooth
  

B

• Babesiosis
  
• Baby acne
  
• Baby blues
  
• Back injuries
  
• Bacteremia
  
• Bacterial infections
  
• Bacterial pneumonia
  
• Bacterial vaginosis
  
• Bacterial vaginosis (BV)
  
• Baker cyst
  
• Baker's cyst
  
• Baker's cysts
  
• Balanitis
  
• Baldness
  
• Baldness (in men)
  
• Baldness (in women)
  
• Barber's itch
  
• Barlow's syndrome
  
• Barmah Forest virus
  
• Barmah Forest virus infection
  
• Barotitis media
  
• Barotrauma
  
• Barotrauma of the ear
  
• Barrett's esophagus
  
• Bartholin abscess
  
• Bartholin's cyst
  
• Bartholin's cysts
  
• Basal cell carcinoma
  
• Basal cell carcinoma (BCC)
  
• Basal joint arthritis
  
• Bat bites
  
• BDD
  
• Bed bugs
  
• Bed-wetting
  
• Bedbugs
  
• Bedsores (pressure ulcers)
  
• Bedwetting
  
• Bedwetting in children
  
• Bee sting
  
• Bee stings
  
• Behçet's disease
  
• Being sick
  
• Bell's palsy
  
• Benign adrenal tumors
  
• Benign brain tumours
  
• Benign migratory glossitis
  
• Benign neoplasms
  
• Benign paroxysmal positional vertigo
  
• Benign paroxysmal positional vertigo (BPPV)
  
• Benign peripheral nerve tumor
  
• Benign prostate enlargement
  
• Benign prostate hypertrophy
  
• Benign prostatic hyperplasia
  
• Benign prostatic hyperplasia (BPH)
  
• Benign tumors
  
• Bent penis
  
• Bereavement
  
• Berger's disease
  
• Beta-thalassemia major
  
• Bi-polar disorder
  
• Bicuspid aortic valve
  
• Bile duct cancer
  
• Bile duct cancer (cholangiocarcinoma)
  
• Bile reflux
  
• Bilharzia
  
• Binge drinking
  
• Binge eating
  
• Binge eating disorder
  
• Biodefense and bioterrorism
  
• Biological warfare
  
• Biological weapons
  
• Bioterrorism
  
• Bipolar disorder
  
• Bird flu
  
• Bird flu (avian influenza)
  
• Birth defects
  
• Birth differences (congenital anomalies)
  
• Birth injuries
  
• Birth weight
  
• Birthmarks
  
• Bite (animal or human)
  
• Bites and stings
  
• Bites and stings (sea creatures)
  
• Black eye
  
• Black hairy tongue
  
• Black widow spider bites
  
• Blackheads
  
• Bladder calculi
  
• Bladder cancer
  
• Bladder exstrophy
  
• Bladder infection
  
• Bladder infections
  
• Bladder inflammation
  
• Bladder pain syndrome (interstitial cystitis)
  
• Bladder prolapse
  
• Bladder stones
  
• Blastocystis hominis
  
• Blastocystis infection
  
• Blastocystosis
  
• Blepharitis
  
• Blepharospasm
  
• Blindness
  
• Blindness and vision loss
  
• Blocked tear duct
  
• Blocked ureter
  
• Blood clots
  
• Blood coagulation disorders
  
• Blood glucose
  
• Blood groups
  
• Blood poisoning
  
• Blood pressure
  
• Blood pressure (high)
  
• Blood pressure (low)
  
• Blood sugar
  
• Blood-borne pathogens
  
• Blood-borne viruses (BBVs)
  
• Bloodborne pathogens
  
• Bluebottle stings
  
• BMI
  
• BMS
  
• Body dysmorphic disorder
  
• Body dysmorphic disorder (BDD)
  
• Body lice
  
• Body mass index
  
• Body weight
  
• Boils
  
• Boils and carbuncles
  
• Bone cancer
  
• Bone cyst
  
• Bone infection
  
• Bone infections
  
• Bone metastasis
  
• Bone spurs
  
• Borderline personality disorder
  
• Borderline personality disorder (BPD)
  
• Botulism
  
• Bovine spongiform encephalopathy
  
• Bowel cancer
  
• Bowel cancer (colon and rectal cancer)
  
• Bowel incontinence
  
• Bowel infections
  
• Bowel obstruction
  
• Bowel polyps
  
• Bowen's disease
  
• BPH
  
• BPS
  
• Brachial plexus injuries
  
• Brachial plexus injury
  
• Brachycephaly and plagiocephaly
  
• Bradycardia
  
• Bradycardia-tachycardia syndrome
  
• Brain abscess
  
• Brain aneurysm
  
• Brain arteriovenous malformation
  
• Brain avm (arteriovenous malformation)
  
• Brain cancer
  
• Brain concussion
  
• Brain death
  
• Brain disorders, inborn genetic
  
• Brain haemorrhage
  
• Brain injury
  
• Brain lesions
  
• Brain malformations
  
• Brain metastases
  
• Brain tumor
  
• Brain tumor, child
  
• Brain tumors
  
• Brain tumours
  
• Brain tumours (benign)
  
• Break-bone fever
  
• Breast abscess
  
• Breast calcifications
  
• Breast cancer
  
• Breast cancer in men
  
• Breast cancer in women
  
• Breast cancer, inflammatory
  
• Breast cancer, male
  
• Breast cysts
  
• Breast engorgement
  
• Breast infection
  
• Broken ankle
  
• Broken arm
  
• Broken arm or wrist
  
• Broken blood vessel in eye
  
• Broken bones
  
• Broken collarbone
  
• Broken finger or thumb
  
• Broken foot
  
• Broken hand
  
• Broken heart syndrome
  
• Broken hip
  
• Broken leg
  
• Broken nose
  
• Broken or bruised ribs
  
• Broken ribs
  
• Broken toe
  
• Broken wrist
  
• Bronchial asthma
  
• Bronchiectasis
  
• Bronchiolitis
  
• Bronchitis
  
• Bronchogenic carcinoma
  
• Bronchopneumonia
  
• Brown recluse spider bites
  
• Brucellosis
  
• Brugada syndrome
  
• Bruise
  
• Bruises
  
• Bruxism
  
• Bubonic plague
  
• Buerger disease
  
• Buerger's disease
  
• Bulimia
  
• Bulimia nervosa
  
• Bullous pemphigoid
  
• Bumps, knocks and bruises
  
• Bundle branch block
  
• Bunions
  
• Bunyaviruses
  
• Burn injury
  
• Burning mouth syndrome
  
• Burns
  
• Burns and scalds
  
• Bursitis
  
• Bursitis of the knee
  
• Buruli ulcer
  

C

• C. diff infections
  
• C. difficile colitis
  
• C. difficile infection
  
• Calcaneal apophysitis
  
• Calciphylaxis
  
• Calluses and corns
  
• Campylobacter infection
  
• Campylobacter infections
  
• Campylobacteriosis
  
• Canavan disease
  
• Cancer
  
• Cancer and pregnancy
  
• Cancer in children
  
• Cancer in pregnancy
  
• Cancer of the floor of the mouth
  
• Cancer of the uterus
  
• Cancer of unknown origin
  
• Cancer of unknown primary origin
  
• Cancer types
  
• Cancer-living with cancer
  
• Cancer, acute lymphocytic leukemia
  
• Cancer, anal
  
• Cancer, basal cell
  
• Cancer, bladder
  
• Cancer, bone
  
• Cancer, breast
  
• Cancer, carcinoid tumors
  
• Cancer, cervical
  
• Cancer, chronic lymphocytic leukemia
  
• Cancer, chronic myelogenous leukemia
  
• Cancer, colon
  
• Cancer, endometrial
  
• Cancer, esophageal
  
• Cancer, eye melanoma
  
• Cancer, floor of the mouth
  
• Cancer, gallbladder
  
• Cancer, gastric
  
• Cancer, hairy cell leukemia
  
• Cancer, Hodgkin's disease
  
• Cancer, Hurthle cell
  
• Cancer, inflammatory breast
  
• Cancer, kidney
  
• Cancer, leukemia
  
• Cancer, liver
  
• Cancer, lung
  
• Cancer, male breast
  
• Cancer, merkel cell
  
• Cancer, mesothelioma
  
• Cancer, mouth
  
• Cancer, multiple myeloma
  
• Cancer, nasopharyngeal
  
• Cancer, neuroblastoma
  
• Cancer, non-Hodgkin's lymphoma
  
• Cancer, oral
  
• Cancer, ovarian
  
• Cancer, pancreatic
  
• Cancer, paraneoplastic syndromes
  
• Cancer, prostate
  
• Cancer, rectal
  
• Cancer, retinoblastoma
  
• Cancer, skin
  
• Cancer, soft tissue sarcoma
  
• Cancer, squamous cell
  
• Cancer, stomach
  
• Cancer, testicular
  
• Cancer, throat
  
• Cancer, thyroid
  
• Cancer, uterine
  
• Cancer, vagina
  
• Cancer, vulvar
  
• Cancer, Wilms' tumor
  
• Cancers
  
• Candidal balanitis
  
• Candidiasis
  
• Candidiasis (vaginal)
  
• Candidiasis, oral
  
• Canker sore
  
• Carbohydrate metabolism disorders
  
• Carbon monoxide poisoning
  
• Carbuncles and boils
  
• Carcinoid syndrome
  
• Carcinoid tumor
  
• Carcinoid tumors
  
• Carcinoma
  
• Carcinoma of unknown primary
  
• Cardiac arrest, sudden
  
• Cardiac failure
  
• Cardiac ischemia
  
• Cardiogenic shock
  
• Cardiomegaly
  
• Cardiomyopathy
  
• Cardiomyopathy, dilated
  
• Cardiomyopathy, hypertrophic
  
• Cardiospasm
  
• Cardiovascular disease
  
• Carotid artery disease
  
• Carotid artery stenosis
  
• Carotid insufficiency
  
• Carpal tunnel syndrome
  
• Carsickness
  
• CAS
  
• Castleman disease
  
• Cat and dog allergy
  
• Cat bites
  
• Cat scratch disease
  
• Cataract
  
• Cataracts
  
• Cataracts (age-related)
  
• Cataracts (children)
  
• Cataracts in adults
  
• Catarrh
  
• Cavernoma
  
• Cavernous malformations
  
• Cavernous sinus thrombosis
  
• Cavities and tooth decay
  
• CDH
  
• Celiac artery compression
  
• Celiac artery compression syndrome
  
• Celiac axis syndrome
  
• Celiac disease
  
• Celiac trunk compression syndrome
  
• Cell phones
  
• CELLO
  
• Cellulite
  
• Cellulitis
  
• Central auditory processing disorder
  
• Central auditory processing disorder (CAPD)
  
• Central nervous system vascular malformations
  
• Central sleep apnea
  
• Cephalic disorders
  
• Cercarial dermatitis
  
• Cerebral aneurysm
  
• Cerebral palsy
  
• Cerebral stroke
  
• Cerebrospinal fluid leak
  
• Cerebrovascular accident
  
• Cerumen impaction
  
• Cervical cancer
  
• Cervical dystonia
  
• Cervical insufficiency
  
• Cervical osteoarthritis
  
• Cervical pregnancy
  
• Cervical spine
  
• Cervical spondylosis
  
• Cervicitis
  
• Cestodiasis
  
• CF
  
• CF (cystic fibrosis)
  
• CFS
  
• Chagas disease
  
• Charcot-Marie-Tooth disease
  
• Charles Bonnet syndrome
  
• CHD
  
• CHD (coronary heart disease)
  
• Chemical burns
  
• Chemical dependency
  
• Chemo brain
  
• Chemobrain
  
• Chest infection
  
• Chest injuries
  
• Chest injuries and disorders
  
• Chiari malformation
  
• Chickenpox
  
• Chickenpox (varicella)
  
• Chikungunya
  
• Chikungunya fever
  
• Chikungunya virus
  
• Chilblains
  
• Chilblains (perniosis)
  
• Child abuse
  
• Child behavior disorders
  
• Child maltreatment
  
• Child mental health
  
• Childbirth problems
  
• Childhood apraxia of speech
  
• Childhood asthma
  
• Childhood brain tumors
  
• Childhood cancer
  
• Childhood cataracts
  
• Childhood illnesses
  
• Childhood leukemia
  
• Childhood obesity
  
• Childhood schizophrenia
  
• Childhood-onset schizophrenia
  
• Children and depression
  
• Children and diabetes
  
• Chipped, broken, or cracked tooth
  
• Chlamydia
  
• Chlamydia infection
  
• Chlamydia infections
  
• Chlamydia trachomatis
  
• Choking
  
• Cholangiocarcinoma
  
• Cholangiocarcinoma (bile duct cancer)
  
• Cholangitis, primary sclerosing
  
• Cholecystitis
  
• Cholecystitis (acute)
  
• Cholecystitis (gallbladder inflammation)
  
• Cholera
  
• Cholestasis of pregnancy
  
• Cholesteatoma
  
• Cholesterol (high)
  
• Cholesterol levels
  
• Chondromalacia patellae
  
• Chondrosarcoma
  
• Chordoma
  
• Chorea, Huntington's
  
• Choroid plexus carcinoma
  
• Chronic adrenal insufficiency
  
• Chronic bronchitis
  
• Chronic compartment syndrome
  
• Chronic daily headache
  
• Chronic daily headaches
  
• Chronic exertional compartment syndrome
  
• Chronic fatigue syndrome
  
• Chronic fatigue syndrome (CFS)
  
• Chronic fatigue syndrome (ME/CFS)
  
• Chronic fatigue syndrome (myalgic encephalomyelitis)
  
• Chronic granulocytic leukemia
  
• Chronic granulomatous disease
  
• Chronic hives
  
• Chronic illness, coping
  
• Chronic kidney disease
  
• Chronic kidney failure
  
• Chronic lymphocytic leukaemia
  
• Chronic lymphocytic leukemia
  
• Chronic lymphocytic thyroiditis
  
• Chronic myelogenous leukemia
  
• Chronic myeloid leukaemia
  
• Chronic myeloid leukemia
  
• Chronic obstructive pulmonary disease
  
• Chronic obstructive pulmonary disease (COPD)
  
• Chronic pain
  
• Chronic pancreatitis
  
• Chronic pelvic pain
  
• Chronic renal failure
  
• Chronic rhinosinusitis
  
• Chronic sinusitis
  
• Chronic traumatic encephalopathy
  
• Chronic urticaria
  
• Chronic vulvar pain
  
• Chronic wounds
  
• Churg-Strauss syndrome
  
• Cicatrices
  
• Cimicosis
  
• Cirrhosis
  
• Cirrhosis of the liver
  
• CJD
  
• CKD
  
• Claustrophobia
  
• Clavicle fracture
  
• Clavicle injuries
  
• Cleft lip and cleft palate
  
• Cleft lip and palate
  
• Cleft palate
  
• Cleft spine
  
• Click-murmur syndrome
  
• Climate change
  
• Clinical depression
  
• CLL
  
• Cloning
  
• Closed comedones
  
• Clostridioides difficile infection
  
• Clostridioides difficile infections
  
• Clostridium difficile (C. diff) infection
  
• Clostridium difficile infection
  
• Clostridium difficile infections
  
• Clots, blood
  
• Club foot
  
• Clubfoot
  
• Cluster headache
  
• Cluster headaches
  
• CML
  
• CMV infections
  
• Co poisoning
  
• Co-occurring disorder
  
• Coagulopathy
  
• Coarctation of the aorta
  
• Coccidioidomycosis
  
• Coeliac disease
  
• Cognitive impairment
  
• Cold (temperature)
  
• Cold allergy
  
• Cold exposure
  
• Cold or flu?
  
• Cold sore
  
• Cold sores
  
• Cold urticaria
  
• Cold, common
  
• Colds
  
• Colds and flu
  
• Colic
  
• Colitis, ischemic
  
• Colitis, microscopic
  
• Colitis, pseudomembranous
  
• Colitis, ulcerative
  
• Collapsed lung
  
• Collarbone injuries
  
• Colon cancer
  
• Colon polyps
  
• Colonic ischemia
  
• Colonic polyps
  
• Color blindness
  
• Color vision deficiency
  
• Colorado tick fever
  
• Colorectal cancer
  
• Colour blindness
  
• Colour vision deficiency
  
• Colour vision deficiency (colour blindness)
  
• Columnar epithelium-lined lower esophagus
  
• Coma
  
• Comedones
  
• Common cold
  
• Common cold in babies
  
• Common variable immunodeficiency
  
• Common warts
  
• Communicable diseases
  
• Communication disorders
  
• Compartment syndrome
  
• Complex regional pain syndrome
  
• Complicated bereavement
  
• Complicated grief
  
• Compulsive buying disorder
  
• Compulsive gambling
  
• Compulsive hoarding syndrome
  
• Compulsive overeating
  
• Compulsive sexual behavior
  
• Compulsive stealing
  
• Computer addiction
  
• Concussion
  
• Conduct disorder
  
• Condyloma acuminatum
  
• Condylomata acuminata
  
• Congenital adrenal hyperplasia
  
• Congenital anomalies
  
• Congenital anomalies (birth differences)
  
• Congenital diaphragmatic hernia
  
• Congenital diaphragmatic hernia (CDH)
  
• Congenital disorder
  
• Congenital heart defects
  
• Congenital heart defects in children
  
• Congenital heart disease
  
• Congenital heart disease in adults
  
• Congenital hip dislocation
  
• Congenital megacolon
  
• Congenital mitral valve anomalies
  
• Congenital myasthenic syndromes
  
• Congenital plagiocephaly
  
• Congestive heart failure
  
• Conjoined twins
  
• Conjunctivitis
  
• Conjunctivitis (pink eye)
  
• Constipation
  
• Constipation in children
  
• Contact dermatitis
  
• Contusion
  
• Contusions
  
• Conversion disorder
  
• Cooley's anemia
  
• COPD
  
• Coping with chronic illness
  
• Coping with disasters
  
• Copper storage disease
  
• Cord blood
  
• Corns and calluses
  
• Coronary artery disease
  
• Coronary heart disease
  
• Coronary microvascular disease
  
• Coronavirus
  
• Coronavirus disease 2019
  
• Coronavirus disease 2019 (COVID-19)
  
• Corticobasal degeneration
  
• Corticobasal degeneration (corticobasal syndrome)
  
• Costochondritis
  
• Costosternal chondrodynia
  
• Costosternal syndrome
  
• Cough headaches
  
• Coughs and colds (in children)
  
• COVID-19
  
• Covid-19
  
• Covid-19 (coronavirus disease 2019)
  
• Covid-19-associated multisystem inflammatory syndrome in children
  
• Cow's milk allergy
  
• Coxsackievirus infections
  
• Crab lice
  
• Crabs
  
• Crack
  
• Cradle cap
  
• Cranial arteritis
  
• Cranial injuries
  
• Craniofacial abnormalities
  
• Craniofacial injuries
  
• Craniofacial trauma
  
• Craniopharyngioma
  
• Craniosynostosis
  
• Creutzfeldt-Jakob disease
  
• Cri du chat syndrome
  
• Crib death
  
• Crohn's disease
  
• Cross infection
  
• Croup
  
• CRPS
  
• Cryoglobulinemia
  
• Cryptococcosis
  
• Cryptorchidism
  
• Cryptosporidiosis
  
• CSF leak (cerebrospinal fluid leak)
  
• CTCL
  
• Cubital tunnel syndrome
  
• Curvature of the penis
  
• Curvature of the spine
  
• Cushing syndrome
  
• Cushing's syndrome
  
• Cutaneous b-cell lymphoma
  
• Cutaneous T-cell lymphoma
  
• Cuts and grazes
  
• Cutting
  
• Cutting/self-injury
  
• CVA
  
• CVID
  
• Cyberchondria
  
• Cyclic vomiting syndrome
  
• Cyclical vomiting syndrome
  
• Cyclospora
  
• Cyclosporiasis
  
• Cyclothymia
  
• Cyclothymia (cyclothymic disorder)
  
• Cyclothymic disorder
  
• Cyst, Bartholin's
  
• Cyst, ganglion
  
• Cyst, kidney
  
• Cyst, ovarian
  
• Cyst, pancreatic
  
• Cyst, pilonidal
  
• Cyst, spermatic
  
• Cystic fibrosis
  
• Cystic fibrosis (CF)
  
• Cystitis
  
• Cystitis, interstitial
  
• Cystocele
  
• Cysts
  
• Cysts, epidermoid
  
• Cysts, sebaceous
  
• Cytomegalovirus (CMV)
  
• Cytomegalovirus (CMV) infection
  
• Cytomegalovirus infection
  
• Cytomegalovirus infections
  

D

• Dandruff
  
• DCIS
  
• DDH
  
• De Quervain disease
  
• De Quervain tenosynovitis
  
• De Quervain's disease
  
• De Quervain's tenosynovitis
  
• Deafblindness
  
• Deafness
  
• Deep vein thrombosis
  
• Deep vein thrombosis (DVT)
  
• Deficiency (vitamin A)
  
• Deficient color vision
  
• Degenerative arthritis
  
• Dehydration
  
• Delayed ejaculation
  
• Delayed gastric emptying
  
• Delayed sleep phase
  
• Delayed sleep phase syndrome
  
• Delayed sleep-wake phase sleep disorder
  
• Delirium
  
• Delirium and dementia
  
• Delusions
  
• Dementia
  
• Dementia (early onset)
  
• Dementia (frontotemporal)
  
• Dementia (vascular)
  
• Dementia with Lewy bodies
  
• Dementia, Lewy body
  
• Dengue
  
• Dengue fever
  
• Dengue hemorrhagic fever
  
• Dental abscess
  
• Dental caries
  
• Dental injury
  
• Dental trauma
  
• Dependence, nicotine
  
• Depersonalization-derealization disorder
  
• Depression
  
• Depression (major depressive disorder)
  
• Depression (melancholic)
  
• Depression after pregnancy
  
• Depression in adults
  
• Depression in children
  
• Depression in men
  
• Depression in women
  
• Depression in young people
  
• Depression, postpartum
  
• Depression, teen
  
• Dermatillomania
  
• Dermatitis
  
• Dermatitis herpetiformis
  
• Dermatitis, atopic
  
• Dermatitis, cercarial
  
• Dermatitis, contact
  
• Dermatitis, scratch
  
• Dermatitis, seborrheic
  
• Dermatofibrosarcoma protuberans
  
• Dermatographia (dermatographism)
  
• Dermatographic urticaria
  
• Dermatographism
  
• Dermatological disorders
  
• Dermatomyositis
  
• Dermatophytosis
  
• Desmoid tumors
  
• Desmoplastic small round cell tumor
  
• Desmoplastic small round cell tumors
  
• Desynchronosis
  
• Detached retina
  
• Detached retina (retinal detachment)
  
• Developmental co-ordination disorder
  
• Developmental co-ordination disorder (dyspraxia) in children
  
• Developmental coordination disorder
  
• Developmental disabilities
  
• Developmental dysplasia of the hip
  
• Deviated nasal septum
  
• Deviated septum
  
• Devic's disease
  
• DFSP
  
• Diabetes
  
• Diabetes (gestational)
  
• Diabetes (type 1)
  
• Diabetes (type 2)
  
• Diabetes and pregnancy
  
• Diabetes complications
  
• Diabetes in children and teens
  
• Diabetes in pregnancy
  
• Diabetes insipidus
  
• Diabetes mellitus
  
• Diabetes, type 1 in children
  
• Diabetes, type 2 in children
  
• Diabetic coma
  
• Diabetic eye problems
  
• Diabetic foot
  
• Diabetic heart disease
  
• Diabetic hypoglycemia
  
• Diabetic ketoacidosis
  
• Diabetic kidney problems
  
• Diabetic nephropathy
  
• Diabetic nephropathy (kidney disease)
  
• Diabetic nerve problems
  
• Diabetic neuropathy
  
• Diabetic retinopathy
  
• Diaper dermatitis
  
• Diaper rash
  
• Diaphragm or cap
  
• Diarrhea, antibiotic-associated
  
• Diarrhea, traveler's
  
• Differences in sex development
  
• Diffuse idiopathic skeletal hyperostosis
  
• Diffuse idiopathic skeletal hyperostosis (DISH)
  
• Digeorge syndrome
  
• Digeorge syndrome (22q11 deletion)
  
• DiGeorge syndrome (22q112 deletion syndrome)
  
• Dilated cardiomyopathy
  
• Dip
  
• Diphtheria
  
• Discoid eczema
  
• Dislocated kneecap
  
• Dislocated shoulder
  
• Dislocation
  
• Dislocations
  
• Dissecting aneurysm
  
• Dissociative disorders
  
• Dissociative identity disorder
  
• Diverticular disease
  
• Diverticular disease - diverticulitis and diverticulosis
  
• Diverticular disease and diverticulitis
  
• Diverticulitis
  
• Dog bites
  
• Dog, cat, bat and human bites
  
• Domestic violence
  
• Double uterus
  
• Double-outlet right ventricle
  
• Down syndrome
  
• Down's syndrome
  
• Dressler syndrome
  
• Drop foot
  
• Dropsy
  
• Drowning
  
• Drug abuse
  
• Drug abuse in pregnancy
  
• Drug abuse, prescription
  
• Drug addiction (substance use disorder)
  
• Drug allergies
  
• Drug allergy
  
• Drug interactions
  
• Drug reactions
  
• Drug use and addiction
  
• Drugs and young people
  
• Dry age-related macular degeneration
  
• Dry eyes
  
• Dry macular degeneration
  
• Dry mouth syndrome
  
• Dry skin
  
• Dry socket
  
• DSPS
  
• DSRCT
  
• DSWPD
  
• Dual diagnosis
  
• Duchenne muscular dystrophy
  
• Ductal carcinoma in situ
  
• Ductal carcinoma in situ (DCIS)
  
• Dumping syndrome
  
• Dunbar syndrome
  
• Duodenal ulcer
  
• Dupuytren contracture
  
• Dupuytren's contracture
  
• Dural arteriovenous fistula
  
• Dural arteriovenous fistulas
  
• Dust mite allergy
  
• DVT
  
• DVT (deep vein thrombosis)
  
• Dwarfism
  
• Dysarthria
  
• Dysarthria (difficulty speaking)
  
• Dyscalculia
  
• Dysentery
  
• Dysfunctional uterine bleeding
  
• Dyshidrosis
  
• Dyshidrotic eczema
  
• Dyslexia
  
• Dysmenorrhea
  
• Dysmenorrhoea
  
• Dyspepsia
  
• Dysphagia
  
• Dysphagia (swallowing problems)
  
• Dysphonia
  
• Dyspraxia
  
• Dyspraxia (developmental co-ordination disorder) in adults
  
• Dyspraxia in children
  
• Dysrhythmias
  
• Dysthymia
  
• Dysthymic disorder
  
• Dystonia
  
• Dystonia, cervical
  

E

• E coli
  
• E coli infections
  
• Ear infection
  
• Ear infection (middle ear)
  
• Ear infection, outer ear
  
• Ear infections
  
• Eardrum (burst)
  
• Eardrum, ruptured
  
• Early or delayed puberty
  
• Early or premature menopause
  
• Early puberty
  
• Early-onset dementia
  
• Earwax blockage
  
• Earwax build-up
  
• Earwax impaction
  
• Eating disorders
  
• Eating disorders, anorexia
  
• Eating disorders, binge eating
  
• Eating disorders, bulimia
  
• Ebola
  
• Ebola virus
  
• Ebola virus disease
  
• Ebstein anomaly
  
• EBV infections
  
• Ectopic beat
  
• Ectopic beats
  
• Ectopic heartbeat
  
• Ectopic pregnancy
  
• Ectropion
  
• Eczema
  
• Eczema (atopic)
  
• Eczema (contact dermatitis)
  
• Eczema (discoid)
  
• Eczema (varicose)
  
• Eczema, dyshidrotic
  
• ED
  
• Edema
  
• Edema, pulmonary
  
• Edwards syndrome
  
• Edwards syndrome (trisomy 18)
  
• Egg allergy
  
• Ehlers-Danlos syndrome
  
• Ehlers-Danlos syndromes
  
• Ehrlichiosis
  
• Ehrlichiosis and anaplasmosis
  
• Eisenmenger syndrome
  
• Ejaculation disorder
  
• Ejaculation problems
  
• Elbow injuries and disorders
  
• Elder abuse
  
• Electric shock
  
• Electric shocks and burns
  
• Electrical injuries
  
• Electrical injury
  
• Electromagnetic fields
  
• Elephantiasis
  
• Elevated blood pressure
  
• Embolism, pulmonary
  
• Embryonal tumors
  
• EMF
  
• Emotional health
  
• Emphysema
  
• Empyema
  
• Encephalitis
  
• Encopresis
  
• End stage kidney failure
  
• End-stage renal disease
  
• End-stage renal disease (esrd)
  
• Endocardial cushion defect
  
• Endocarditis
  
• Endometrial cancer
  
• Endometrial polyps
  
• Endometriosis
  
• Engorgement
  
• Enlarged breasts in men (gynecomastia)
  
• Enlarged heart
  
• Enlarged liver
  
• Enlarged prostate
  
• Enlarged spleen (splenomegaly)
  
• Enlarged thyroid
  
• Enterobiasis
  
• Enterocele
  
• Enterovirus
  
• Enterovirus in children
  
• Entropion
  
• Environmental health
  
• Eosinophilia
  
• Eosinophilic esophagitis
  
• Eosinophilic granulomatosis with polyangiitis
  
• Ependymoma
  
• Epicondylitis, lateral
  
• Epidermoid cysts
  
• Epidermolysis bullosa
  
• Epididymitis
  
• Epiglottitis
  
• Epilepsy
  
• Epilepsy, frontal lobe
  
• Epithelial cells in urine
  
• Epithelioid sarcoma
  
• Epstein-Barr virus infections
  
• Erectile dysfunction
  
• Erectile dysfunction (impotence)
  
• Erythema infectiosum
  
• Erythema multiforme
  
• Erythema nodosum
  
• Erythema solare
  
• Erythroblastosis fetalis
  
• Erythrocytosis
  
• Erythromelalgia
  
• Escherichia coli infection
  
• Esophageal achalasia
  
• Esophageal cancer
  
• Esophageal spasm
  
• Esophageal spasms
  
• Esophageal varices
  
• Esophagitis
  
• Essential tremor
  
• Esthesioneuroblastoma
  
• Ewing sarcoma
  
• Ewing's sarcoma
  
• Exanthema subitum
  
• Excess facial hair in women
  
• Excess growth hormone
  
• Excessive daytime sleepiness (hypersomnia)
  
• Excessive hair growth (hirsutism)
  
• Excessive menstrual bleeding
  
• Excessive sweating (hyperhidrosis)
  
• Excessive worry
  
• Exercise headaches
  
• Exercise-induced asthma
  
• Exercise-induced bronchospasm
  
• Exertional headache
  
• External otitis
  
• Extrasystole
  
• Eye (objects or chemicals)
  
• Eye cancer
  
• Eye cancer in children
  
• Eye diseases
  
• Eye infection (herpes)
  
• Eye infections
  
• Eye injuries
  
• Eye melanoma
  
• Eyelid inflammation
  
• Eyelid problems
  

F

• Fabricated or induced illness
  
• Fabry disease
  
• Face blindness
  
• Facial hair, excess in women
  
• Facial injuries
  
• Facial injuries and disorders
  
• Facial injury
  
• Facial palsy
  
• Factitious disorder
  
• Factitious disorder imposed on self
  
• Factor v leiden
  
• Factor v leiden thrombophilia
  
• Faecal incontinence
  
• Fallen arches
  
• Fallopian tube cancer
  
• Fallot, tetralogy of
  
• Falls
  
• Familial adenomatous polyposis
  
• Familial hypercholesterolemia
  
• Familial Mediterranean fever
  
• Familial paroxysmal peritonitis
  
• Family history
  
• FAP
  
• Farsightedness
  
• FAS
  
• FASD
  
• Fatty liver
  
• Favism
  
• Febrile seizure
  
• Febrile seizures
  
• FEC
  
• Fecal incontinence
  
• FECD
  
• Female infertility
  
• Female orgasmic disorder
  
• Female pattern hair loss
  
• Female sexual dysfunction
  
• Fertility
  
• Fetal alcohol spectrum disorder
  
• Fetal alcohol spectrum disorder (FASD)
  
• Fetal alcohol spectrum disorders
  
• Fetal alcohol spectrum disorders (FASD)
  
• Fetal alcohol syndrome
  
• Fetal health and development
  
• Fetal macrosomia
  
• Fever blister
  
• Fever, valley
  
• Fevers, viral hemorrhagic
  
• FH
  
• Fibroadenoma
  
• Fibrocystic breast changes
  
• Fibrocystic breasts
  
• Fibroids
  
• Fibroids, uterine
  
• Fibromuscular dysplasia
  
• Fibromyalgia
  
• Fibrosis, interstitial pulmonary
  
• Fibrosis, pulmonary
  
• Fifth disease
  
• Fifth disease (slapped cheek disease)
  
• Filoviruses
  
• Finger injuries and disorders
  
• Fistula, arteriovenous
  
• Fits (children with fever)
  
• Flat feet
  
• Flat feet (fallen arches)
  
• Flat foot
  
• Flat head syndrome
  
• Flatfeet
  
• Flaviviruses
  
• Flesh-eating bacteria
  
• Floor of the mouth cancer
  
• Floppy valve syndrome
  
• Flu
  
• Flu (influenza)
  
• Flu, avian
  
• Flu, bird
  
• Flu, swine
  
• Fluid around the heart
  
• FND
  
• Focal segmental glomerulosclerosis (FSGS)
  
• Folate deficiency anemia
  
• Folliculitis
  
• Food allergies
  
• Food allergies (in children)
  
• Food allergy
  
• Food allergy, egg
  
• Food allergy, milk
  
• Food colours and hyperactivity
  
• Food intolerance
  
• Food poisoning
  
• Food safety
  
• Food-borne illness
  
• Foodborne illness
  
• Foot and toe fractures
  
• Foot drop
  
• Foot fracture
  
• Foot injuries and disorders
  
• Foramen ovale
  
• Foreign bodies
  
• Foreign body in the ear
  
• Foreign body ingestion
  
• Foreskin problems
  
• Fracture
  
• Fracture of arm
  
• Fracture of the arm
  
• Fracture, arm
  
• Fracture, growth plate
  
• Fracture, hip
  
• Fracture, leg
  
• Fracture, stress
  
• Fractured arm
  
• Fractured foot
  
• Fractured hand
  
• Fractured leg
  
• Fractured nose
  
• Fractured rib
  
• Fractured toe
  
• Fractures
  
• Fragile X syndrome
  
• FRAXA
  
• Friedreich ataxia
  
• Frontal lobe epilepsy
  
• Frontal lobe seizures
  
• Frontotemporal dementia
  
• Frontotemporal dementia, Pick's disease type
  
• Frontotemporal lobar degeneration
  
• Frostbite
  
• Frostnip
  
• Frozen shoulder
  
• FSGS
  
• Fuchs dystrophy
  
• Fuchs endothelial corneal dystrophy
  
• Fuchs endothelial dystrophy
  
• Functional dyspepsia
  
• Functional neurologic disorder/conversion disorder
  
• Functional neurological disorder
  
• Functional neurological symptom disorder
  
• Fungal infection, nail
  
• Fungal infections
  
• Fungal nail infection
  
• Fungicides
  
• Funnel chest
  

G

• G6PD deficiency
  
• GAD
  
• Galactorrhea
  
• Gallbladder cancer
  
• Gallbladder inflammation
  
• Gallstones
  
• Gambling
  
• Gambling disorder
  
• Gambling, compulsive
  
• Ganglion cyst
  
• Gangrene
  
• Gardnerella
  
• Gastric cancer
  
• Gastric emptying, delayed
  
• Gastric emptying, rapid
  
• Gastric polyps
  
• Gastric ulcer
  
• Gastric ulcer disease
  
• Gastritis
  
• Gastro intestinal illnesses
  
• Gastro-oesophageal reflux disease (GORD)
  
• Gastroenteritis
  
• Gastroenteritis (gastro)
  
• Gastroenteritis, viral
  
• Gastroesophageal reflux disease (GERD)
  
• Gastrointestinal bleeding
  
• Gastrointestinal disorders
  
• Gastrointestinal hemorrhage
  
• Gastrointestinal illnesses
  
• Gastrointestinal stromal tumor (GIST)
  
• Gastrointestinal stromal tumors
  
• Gastrointestinal stromal tumors (GIST)
  
• Gastroparesis
  
• Gaucher disease
  
• GBM
  
• Gender dysphoria
  
• Gender identity disorder
  
• Gender incongruence
  
• Generalised anxiety disorder (GAD)
  
• Generalized anxiety disorder
  
• Generalized anxiety disorder (GAD)
  
• Genetic brain disorders
  
• Genetic disorders
  
• Genetics/birth defects
  
• Genital herpes
  
• Genital thrush in males
  
• Genital warts
  
• Genu varum
  
• Geographic tongue
  
• GERD
  
• Germ cell tumors
  
• Germ warfare
  
• German measles
  
• German measles (rubella)
  
• Germs and hygiene
  
• Gestational diabetes
  
• Gestational diabetes mellitus
  
• Gestational hypertension
  
• Gestational trophoblastic disease
  
• Giant cell arteritis
  
• Giant lymph node hyperplasia
  
• Giardia infection (giardiasis)
  
• Giardia infections
  
• Giardiasis
  
• Giardiasis (Giardia)
  
• Gigantism
  
• Gilbert syndrome
  
• Gilbert's syndrome
  
• Gingivitis
  
• Glandular fever
  
• Glaucoma
  
• Glioblastoma
  
• Glioblastoma multiforme
  
• Glioma
  
• Gliomas in children
  
• Global warming
  
• Glomerulonephritis
  
• Glossodynia
  
• Glucocerebrosidase deficiency
  
• Glucose-6-phosphate dehydrogenase deficiency
  
• Glue ear
  
• Glutaric acidemia type 1
  
• Glutaric aciduria type 1
  
• Gluten intolerance
  
• Gluten-sensitive enteropathy
  
• Goiter
  
• Goitre
  
• Golfer's elbow
  
• Gonorrhea
  
• Gonorrhoea
  
• Gonorrhoea (the clap)
  
• GORD (reflux)
  
• Gout
  
• Grand mal seizure
  
• Granuloma
  
• Granuloma annulare
  
• Granulomas
  
• Granulomatosis with polyangiitis
  
• Granulomatosis with polyangiitis (GPA)
  
• Graves' disease
  
• Grief
  
• Grippe
  
• Groin irritation and infection
  
• Group A streptococcal (GAS) infection
  
• Group A streptococcal infection
  
• Group B strep
  
• Group B strep disease
  
• Growing pains
  
• Growth disorders
  
• Growth hormone excess
  
• Growth plate fractures
  
• Guillain-Barré syndrome
  
• Gulf oil spill
  
• Gum disease
  
• Gum disease, gingivitis
  
• Gum disease, periodontitis
  
• Gynaecomastia
  
• Gynecomastia
  

H

• H. pylori infection
  
• H. pylori infections
  
• H1n1 flu
  
• H1n1 flu (swine flu)
  
• H1n1v flu
  
• H3N2v flu
  
• Haemochromatosis
  
• Haemolytic uraemic syndrome (HUS)
  
• Haemophilia
  
• Haemophilus infections
  
• Haemophilus influenzae type b (Hib)
  
• Haemophilus influenzae type b disease
  
• Haemophilus influenzae type b infection
  
• Haemorrhoids
  
• Hair dye reactions
  
• Hair loss (in men)
  
• Hair pulling
  
• Hair-pulling disorder
  
• Hairy cell leukemia
  
• Hairy tongue
  
• Halitosis
  
• Hammer toe
  
• Hammertoe and mallet toe
  
• Hamstring injury
  
• Hand and finger fractures
  
• Hand fracture
  
• Hand injuries and disorders
  
• Hand, foot and mouth disease
  
• Hangovers
  
• Hansen's disease
  
• Hantavirus infection
  
• Hantavirus infections
  
• Hantavirus pulmonary syndrome
  
• Hardening of the arteries
  
• Hashimoto's disease
  
• Hashimoto's thyroiditis
  
• Hav infection
  
• Hay fever
  
• Hay fever (allergic rhinitis)
  
• HBV infection
  
• HCC
  
• HCV infection
  
• Head and neck cancer
  
• Head and neck cancers
  
• Head injuries
  
• Head injury and concussion
  
• Head lice
  
• Head lice and nits
  
• Head trauma, coma
  
• Headache, chronic daily
  
• Headache, cluster
  
• Headache, migraine
  
• Headache, primary cough
  
• Headaches (tension-type)
  
• Health anxiety
  
• Health problems in pregnancy
  
• Health problems present from birth
  
• Healthcare-associated infections
  
• Hearing loss
  
• Heart and cardiovascular conditions
  
• Heart arrhythmia
  
• Heart arrhythmias
  
• Heart attack
  
• Heart block
  
• Heart defects
  
• Heart defects in adults
  
• Heart disease
  
• Heart disease (coronary)
  
• Heart diseases, congenital
  
• Heart failure
  
• Heart rhythm problems (arrhythmia)
  
• Heart valve disease
  
• Heartburn and acid reflux
  
• Heat exhaustion
  
• Heat exhaustion and heatstroke
  
• Heat illness
  
• Heat rash
  
• Heat rash (prickly heat)
  
• Heat stroke
  
• Heat-related illness
  
• Heatstroke
  
• Heel injuries and disorders
  
• Helicobacter pylori
  
• Helicobacter pylori (H. pylori)
  
• Helicobacter pylori (H. pylori) infection
  
• Helicobacter pylori infection
  
• Helicobacter pylori infections
  
• Helminthiasis
  
• Hemangioma
  
• Hemangioma, liver
  
• Hematoma
  
• Hematoma, intracranial
  
• Hemifacial spasm
  
• Hemochromatosis
  
• Hemoglobin count, high
  
• Hemoglobin count, low
  
• Hemoglobin ss disease
  
• Hemolytic disease of newborn
  
• Hemolytic disease of the newborn
  
• Hemolytic disease of the newborn (HDN)
  
• Hemolytic uremic syndrome (HUS)
  
• Hemophilia
  
• Hemorrhage
  
• Hemorrhagic fevers
  
• Hemorrhoids
  
• Henoch-Schönlein purpura
  
• Henoch-Schönlein purpura (HSP)
  
• Hep A
  
• Hep B
  
• Hep C
  
• Hepatic hemangioma
  
• Hepatitis
  
• Hepatitis A
  
• Hepatitis A virus infection
  
• Hepatitis B
  
• Hepatitis B infection
  
• Hepatitis B virus infection
  
• Hepatitis C
  
• Hepatitis C infection
  
• Hepatitis C virus infection
  
• Hepatitis, autoimmune
  
• Hepatitis, toxic
  
• Hepatoblastoma
  
• Hepatocellular carcinoma
  
• Hepatolenticular degeneration
  
• Hepatomegaly
  
• Hepatopathy
  
• Hepatopulmonary syndrome
  
• Hereditary haemorrhagic telangiectasia (HHT)
  
• Hereditary hemochromatosis
  
• Hereditary hemorrhagic telangiectasia
  
• Hereditary motor and sensory neuropathy
  
• Hereditary nonpolyposis colorectal cancer (hnpcc)
  
• Hereditary nonpolyposis colorectal cancer syndrome
  
• Hereditary spastic paraplegia
  
• Hernia
  
• Hernia (hiatus)
  
• Hernia, hiatal
  
• Hernia, inguinal
  
• Hernia, umbilical
  
• Hernias
  
• Herniated disc
  
• Herniated disk
  
• Herpes (genital)
  
• Herpes genitalis
  
• Herpes in babies
  
• Herpes labialis
  
• Herpes simplex
  
• Herpes simplex eye infections
  
• Herpes zoster
  
• Herpes zoster (shingles)
  
• Herpes zoster oticus
  
• Herpes, oral
  
• Herpetic whitlow
  
• Herpetic whitlow (whitlow finger)
  
• Hiatal hernia
  
• Hiatus hernia
  
• Hib
  
• Hidradenitis suppurativa
  
• Hidradenitis suppurativa (HS)
  
• High blood glucose
  
• High blood pressure
  
• High blood pressure (hypertension)
  
• High blood pressure in children
  
• High blood pressure in pregnancy
  
• High blood pressure, secondary
  
• High blood protein
  
• High blood sugar
  
• High blood sugar (hyperglycaemia)
  
• High cholesterol
  
• High eosinophils
  
• High hemoglobin count
  
• High lymphocyte count
  
• High potassium (hyperkalemia)
  
• High red blood cell count
  
• High risk pregnancy
  
• High uric acid level
  
• High-flow priapism
  
• Hilar cholangiocarcinoma
  
• Hip dysplasia
  
• Hip fracture
  
• Hip injuries and disorders
  
• Hip labral tear
  
• Hip pain in children (irritable hip)
  
• Hirschsprung's disease
  
• Hirsutism
  
• Histoplasmosis
  
• HIV
  
• HIV and AIDS
  
• HIV and infections
  
• HIV and pregnancy
  
• HIV in pregnancy
  
• HIV infection and AIDS
  
• HIV viral load
  
• HIV/AIDS
  
• Hives
  
• Hives (urticaria)
  
• Hives and angioedema
  
• Hives, chronic
  
• HMPV
  
• Hoarding
  
• Hoarding disorder
  
• Hodgkin lymphoma
  
• Hodgkin lymphoma (Hodgkin disease)
  
• Hodgkin's disease
  
• Homocystinuria
  
• Hookworm
  
• Hordeolum
  
• Horner syndrome
  
• Horner-Bernard syndrome
  
• Hot (temperature)
  
• Household products
  
• How to prevent diabetes
  
• HPV
  
• HPV infection
  
• Hughes syndrome
  
• Human bites
  
• Human immunodeficiency virus
  
• Human metapneumovirus
  
• Human metapneumovirus (HMPV)
  
• Human papillomavirus
  
• Human papillomavirus (HPV)
  
• Human papillomavirus infection
  
• Human parainfluenza viruses (HPIVs)
  
• Hunchback
  
• Hunt's syndrome
  
• Huntington's disease
  
• Hurthle cell cancer
  
• Hurthle cell carcinoma
  
• Hutchinson-Gilford progeria syndrome
  
• Hydatidiform mole
  
• Hydrocele
  
• Hydrocephalus
  
• Hydronephrosis
  
• Hydrophobia
  
• Hyperactive behaviour in children and artificial food colourings
  
• Hyperactivity
  
• Hyperacusis
  
• Hypercalcemia
  
• Hypercholesterolemia
  
• Hypercholesterolemia, familial
  
• Hypercortisolism
  
• Hypereosinophilic syndrome
  
• Hyperglycaemia (high blood sugar)
  
• Hyperglycemia
  
• Hyperglycemia in diabetes
  
• Hyperhidrosis
  
• Hyperkalemia
  
• Hyperkalemia (high potassium)
  
• Hypermenorrhea
  
• Hypermobility syndrome
  
• Hypernephroma
  
• Hyperopia
  
• Hyperoxaluria and oxalosis
  
• Hyperparathyroidism
  
• Hyperproteinemia
  
• Hypersexuality
  
• Hypersomnia
  
• Hypertension
  
• Hypertension in children
  
• Hypertension, pregnancy-related
  
• Hypertension, pulmonary
  
• Hyperthyroidism
  
• Hyperthyroidism (overactive thyroid)
  
• Hypertrophic cardiomyopathy
  
• Hyperuricemia
  
• Hypoactive sexual desire disorder
  
• Hypochondria
  
• Hypoglycaemia
  
• Hypoglycaemia (low blood sugar)
  
• Hypoglycemia
  
• Hypoglycemia, diabetic
  
• Hypohydration
  
• Hypokalemia
  
• Hyponatremia
  
• Hypoparathyroidism
  
• Hypopharyngeal cancer
  
• Hypopituitarism
  
• Hypoplastic left heart syndrome
  
• Hypospadias
  
• Hypotension
  
• Hypothermia
  
• Hypothyroidism
  
• Hypothyroidism (underactive thyroid)
  
• Hypovitaminosis A
  
• Hypoxemia
  

I

• IBD
  
• IBS
  
• IBS (irritable bowel syndrome)
  
• Ichthyosis
  
• Idiopathic hypersomnia
  
• Idiopathic intracranial hypertension
  
• Idiopathic myelofibrosis
  
• Idiopathic pulmonary fibrosis
  
• Idiopathic thrombocytopenic purpura
  
• Idiopathic toe walking
  
• Iga nephropathy
  
• IgA nephropathy (Berger disease)
  
• Iga vasculitis
  
• IIH
  
• Illness anxiety disorder
  
• Immune thrombocytopenia (ITP)
  
• Immune thrombocytopenic purpura
  
• Impacted wisdom teeth
  
• Impaction of third molars
  
• Impaired glucose tolerance
  
• Impetigo
  
• Impotence
  
• Inborn error of metabolism
  
• Incompetent cervix
  
• Incontinence
  
• Incontinence (urinary)
  
• Incontinence, bowel
  
• Incontinence, fecal
  
• Indoor air pollution
  
• Infant jaundice
  
• Infant reflux
  
• Infantile colic
  
• Infantile hemangioma
  
• Infantile paralysis
  
• Infected piercings
  
• Infections
  
• Infections and pregnancy
  
• Infections, bacterial
  
• Infections, bladder
  
• Infections, fungal
  
• Infections, viral
  
• Infectious arthritis
  
• Infectious diseases
  
• Infectious mononucleosis
  
• Infertility
  
• Infertility, female
  
• Infertility, male
  
• Inflamed gallbladder
  
• Inflamed pancreas
  
• Inflamed pericardium
  
• Inflammatory bowel disease
  
• Inflammatory bowel disease (IBD)
  
• Inflammatory breast cancer
  
• Influenza
  
• Influenza (flu)
  
• Influenza, avian
  
• Influenza, H1N1
  
• Influenza, swine flu
  
• Ingrown hair
  
• Ingrown hairs
  
• Ingrown toenail
  
• Ingrown toenails
  
• Inguinal hernia
  
• Inhalation injuries
  
• Inhaled substance or foreign object
  
• Inherited metabolic disorders
  
• Injuries
  
• Injuries and wounds
  
• Insect bites and stings
  
• Insomnia
  
• Insulin resistance
  
• Insulin resistance syndrome
  
• Insulin-dependent diabetes mellitus
  
• Intermittent explosive disorder
  
• Intersex
  
• Interstitial cystitis
  
• Interstitial lung disease
  
• Intestinal cancer
  
• Intestinal ischemia
  
• Intestinal lipodystrophy
  
• Intestinal obstruction
  
• Intimate partner violence
  
• Intracranial hematoma
  
• Intracranial hypertension
  
• Intracranial venous malformations
  
• Intraductal carcinoma
  
• Intrahepatic cholestasis of pregnancy
  
• Intraocular melanoma
  
• Intussusception
  
• Invasive lobular carcinoma
  
• Invasive staph infections
  
• Invasive staphylococcal infections
  
• Iodine deficiency
  
• Iritis
  
• Iron deficiency
  
• Iron deficiency anaemia
  
• Iron deficiency anemia
  
• Iron overload
  
• Iron overload disease
  
• Irritable bowel syndrome
  
• Irritable bowel syndrome (IBS)
  
• Irritable hip
  
• Ischaemic heart disease
  
• Ischemia, intestinal
  
• Ischemic bone necrosis
  
• Ischemic colitis
  
• Ischemic priapism
  
• Islet cell cancer
  
• Islet cell carcinoma
  
• Isovaleric acidaemia
  
• Isovaleric acidemia
  
• ITP
  

J

• Japanese encephalitis
  
• Jaundice
  
• Jaundice in adults
  
• Jaundice in newborns
  
• Jaw dislocation
  
• Jaw injuries and disorders
  
• Jaw tumors and cysts
  
• Jellyfish and other sea creature stings
  
• Jellyfish stings
  
• Jet lag
  
• Jet lag disorder
  
• Jev (Japanese encephalitis virus)
  
• Jock itch
  
• Joint hypermobility syndrome
  
• Joint inflammation
  
• Jumper's knee
  
• Juvenile diabetes
  
• Juvenile idiopathic arthritis
  
• Juvenile rheumatoid arthritis
  
• Juvenile schizophrenia
  

K

• Kaposi sarcoma
  
• Kawasaki disease
  
• Keloid scar
  
• Keloid scars
  
• Keratitis
  
• Keratoconjunctivitis sicca
  
• Keratoconus
  
• Keratosis pilaris
  
• Keratosis, actinic
  
• Keratosis, seborrheic
  
• Kernicterus
  
• Ketoacidosis, diabetic
  
• Kidney cancer
  
• Kidney cyst
  
• Kidney cysts
  
• Kidney disease, chronic
  
• Kidney failure
  
• Kidney failure, chronic
  
• Kidney infection
  
• Kidney infection (pyelonephritis)
  
• Kidney infections
  
• Kidney stones
  
• Kissing disease
  
• Klatskin tumor
  
• Kleptomania
  
• Klinefelter (XXY) syndrome
  
• Klinefelter syndrome
  
• Klippel-trenaunay syndrome
  
• Knee bursitis
  
• Knee cartilage damage
  
• Knee injuries
  
• Knee injuries and disorders
  
• Knock knees
  
• Knocked-out tooth
  
• Knocks
  
• KP
  
• Kyphosis
  

L

• Labia problems
  
• Labial adhesions
  
• Labial disorders
  
• Labial fusion
  
• Labor
  
• Labyrinthitis
  
• Labyrinthitis and vestibular neuritis
  
• Lacerations
  
• Lacerations and abrasions
  
• Lactase deficiency
  
• Lactation mastitis
  
• Lactose intolerance
  
• Lambert-Eaton myasthenic syndrome
  
• Large for gestational age
  
• Large for gestational age (LGA)
  
• Laryngeal (larynx) cancer
  
• Laryngeal cancer
  
• Laryngitis
  
• Laryngopharyngeal cancer
  
• Laryngotracheobronchitis
  
• Lassa fever
  
• Lateral elbow tendinopathy
  
• Lateral epicondylitis
  
• Lateral epicondylosis
  
• Latex allergy
  
• Latrodectism
  
• Lazy eye
  
• Lazy eye (amblyopia)
  
• LCIS
  
• Lead exposure
  
• Lead exposure and poisoning
  
• Lead poisoning
  
• Learning disabilities
  
• Left ventricular hypertrophy
  
• Leg fracture
  
• Leg injuries and disorders
  
• Leg ulcer
  
• Leg ulcers
  
• Legg-Calvé-Perthes disease
  
• Legionellosis
  
• Legionnaires' disease
  
• Leiomyosarcoma
  
• Leishmaniasis
  
• Lentigines, solar
  
• Leprosy
  
• Leptospirosis
  
• Leptospirosis (Weil's disease)
  
• Leukaemia
  
• Leukaemia (acute lymphoblastic)
  
• Leukaemia (acute myeloid)
  
• Leukaemia (chronic lymphocytic)
  
• Leukemia
  
• Leukemia, acute lymphoblastic
  
• Leukemia, acute lymphocytic
  
• Leukemia, acute myelogenous
  
• Leukemia, childhood
  
• Leukemia, chronic lymphocytic
  
• Leukemia, chronic myelogenous
  
• Leukemia, general
  
• Leukemia, hairy cell
  
• Leukemia, myeloblastic, acute
  
• Leukemia, myelogenous, acute
  
• Leukemia, myeloid, acute
  
• Leukemia, myeloid, chronic
  
• Leukocytosis
  
• Leukodystrophies
  
• Leukopenia
  
• Leukoplakia
  
• Lewy body dementia
  
• Lewy body dementias
  
• Lewy body disease
  
• Lice
  
• Lice (crabs)
  
• Lice, body
  
• Lichen planus
  
• Lichen planus, oral
  
• Lichen sclerosus
  
• Lichen simplex chronicus
  
• Ligament injuries
  
• Lightning strikes
  
• Limb injuries
  
• Lip cancer
  
• Lipid metabolism disorders
  
• Lipodystrophy, intestinal
  
• Lipoedema
  
• Lipoma
  
• Liposarcoma
  
• Listeria and listeriosis
  
• Listeria infection
  
• Listeria infections
  
• Listeriosis
  
• Liver cancer
  
• Liver cirrhosis
  
• Liver conditions and diseases
  
• Liver disease
  
• Liver disease (alcohol-related)
  
• Liver failure
  
• Liver failure, acute
  
• Liver hemangioma
  
• Liver spots
  
• Liver, enlarged
  
• Living with cancer
  
• Lobular carcinoma in situ
  
• Lobular carcinoma in situ (LCIS)
  
• Localized scleroderma
  
• Lockjaw
  
• Long covid
  
• Long line
  
• Long QT syndrome
  
• Long-sightedness
  
• Long-sightedness (hyperopia)
  
• Lou Gehrig's disease
  
• Low birth weight
  
• Low blood pressure (hypotension)
  
• Low blood sugar
  
• Low blood sugar (hypoglycaemia)
  
• Low hemoglobin count
  
• Low mood, sadness and depression
  
• Low neutrophil count
  
• Low platelet count
  
• Low potassium
  
• Low potassium (hypokalemia)
  
• Low sex drive in women
  
• Low sperm count
  
• Low testosterone
  
• Low vision
  
• Low white blood cell count
  
• Low-flow priapism
  
• Low-grade brain tumours
  
• Lung cancer
  
• Lung collapse
  
• Lung disease, interstitial
  
• Lupus
  
• Lupus nephritis
  
• Lyme disease
  
• Lymphadenitis
  
• Lymphadenitis, mesenteric
  
• Lymphedema
  
• Lymphocytosis
  
• Lymphoedema
  
• Lymphoma
  
• Lymphoma (non-Hodgkin)
  
• Lymphoma, hodgkin's
  
• Lymphoma, non-Hodgkin's
  
• Lymphoplasmacytic lymphoma
  
• Lynch syndrome
  
• Lyssavirus (ABLV)
  

M

• Macular degeneration
  
• Macular degeneration (age-related)
  
• Macular degeneration, dry
  
• Macular degeneration, wet
  
• Macular hole
  
• Mad cow disease
  
• Major depressive disorder
  
• Malabsorption syndrome
  
• Malabsorption syndromes
  
• Malaria
  
• Male breast cancer
  
• Male depression
  
• Male hypogonadism
  
• Male infertility
  
• Male menopause
  
• Male pattern baldness
  
• Male sexual dysfunction
  
• Male sexual problems
  
• Malignancy
  
• Malignant brain tumour (brain cancer)
  
• Malignant fibrous histiocytoma
  
• Malignant hyperthermia
  
• Malignant mesothelioma
  
• Malignant peripheral nerve sheath tumors
  
• Mallet finger
  
• Mallet toe and hammertoe
  
• Malnutrition
  
• MALS
  
• Mammary duct ectasia
  
• Man-made disasters
  
• Mandibular disorders
  
• Manic depression
  
• Manic-depressive illness
  
• Maple syrup urine disease
  
• Marfan syndrome
  
• Marine bites and stings
  
• MASH
  
• MASLD
  
• Mastalgia
  
• Mastitis
  
• Mastocytosis
  
• Mastoiditis
  
• Maternal health
  
• Maxillary disorders
  
• MCAD deficiency
  
• MCADD
  
• MCI
  
• MD
  
• MDS
  
• ME/CFS
  
• Measles
  
• Measles, German
  
• Medial epicondylitis
  
• Medial tibial stress syndrome
  
• Median arcuate ligament syndrome (MALS)
  
• Mediastinal disorders
  
• Medically unexplained symptoms
  
• Medication overuse headache
  
• Medication overuse headaches
  
• Mediterranean anemia
  
• Medium chain acyl-coa dehydrogenase deficiency
  
• Medulloblastoma
  
• Megacolon
  
• Megaloblastic anemia
  
• Melancholia (melancholic depression)
  
• Melancholic depression
  
• Melanoma
  
• Melanoma of the eye
  
• Melanoma skin cancer
  
• Melioidosis
  
• Memory
  
• Memory disorders
  
• MEN 2
  
• Men and depression
  
• Ménière's disease
  
• Meningioma
  
• Meningitis
  
• Meningococcal disease
  
• Meningococcal infections
  
• Meningococcemia
  
• Meniscus
  
• Meniscus tear
  
• Meniscus tear (knee cartilage damage)
  
• Menopause
  
• Menopause (early)
  
• Menopause (premature and early)
  
• Menorrhagia
  
• Menstrual disorders
  
• Mental disorders
  
• Mental health
  
• Mental health and behavior
  
• Mental health conditions
  
• Mental health signs of illness
  
• Mental health, child
  
• Mental health, older adults
  
• Mental health, teen
  
• Mental illness
  
• Mental retardation
  
• Meralgia paresthetica
  
• Merkel cell cancer
  
• Merkel cell carcinoma
  
• MERS
  
• Mers (coronavirus)
  
• Mesenteric adenitis
  
• Mesenteric ischemia
  
• Mesenteric lymphadenitis
  
• Mesothelioma
  
• Mesothelioma (lung cancer)
  
• Metabolic disorders
  
• Metabolic dysfunction-associated steatohepatitis
  
• Metabolic dysfunction-associated steatotic liver disease
  
• Metabolic problems
  
• Metabolic syndrome
  
• Metachromatic leukodystrophy
  
• Metastatic prostate cancer
  
• Metatarsalgia
  
• Methicillin-resistant staphylococcus aureus
  
• Methicillin-resistant staphylococcus aureus infection
  
• MFS
  
• MG
  
• MGUS
  
• Microcephaly
  
• Microscopic colitis
  
• Microscopic hematuria
  
• Middle east respiratory syndrome
  
• Middle east respiratory syndrome (MERS)
  
• Migraine
  
• Migraine with aura
  
• Mild cognitive impairment
  
• Mild cognitive impairment (MCI)
  
• Milia
  
• Miliaria
  
• Milk allergy
  
• Milk intolerance
  
• Miscarriage
  
• Mite
  
• Mitochondrial diseases
  
• Mitral regurgitation
  
• Mitral stenosis
  
• Mitral valve disease
  
• Mitral valve prolapse
  
• Mitral valve regurgitation
  
• Mitral valve stenosis
  
• Mixed connective tissue disease
  
• MOG antibody-associated disorder
  
• MOGAD
  
• Molar pregnancy
  
• Mold allergy
  
• Molds
  
• Moles
  
• Molluscum contagiosum
  
• Moniliasis
  
• Monkeypox
  
• Mono
  
• Monoclonal gammopathy of undetermined significance
  
• Monoclonal gammopathy of undetermined significance (MGUS)
  
• Mononucleosis
  
• Mood disorders
  
• Morphea
  
• Morton's neuroma
  
• Mosquito bites
  
• Motion sickness
  
• Motor neurone disease (MND)
  
• Mountain sickness
  
• Mouth and tongue cuts
  
• Mouth cancer
  
• Mouth diseases and conditions
  
• Mouth sores and ulcers (canker sores)
  
• Mouth thrush
  
• Mouth ulcers
  
• Movement disorders
  
• Moyamoya disease
  
• Mpox
  
• Mpox (monkeypox)
  
• MRSA
  
• MRSA infection
  
• MS
  
• MS (multiple sclerosis)
  
• MSA
  
• Mucocutaneous lymph node syndrome
  
• Mucolipidoses
  
• Mucolipidosis
  
• Mucopolysaccharidoses
  
• Mucopolysaccharidosis
  
• Mucositis
  
• Multiple births
  
• Multiple endocrine neoplasia type 1
  
• Multiple endocrine neoplasia type 2
  
• Multiple endocrine neoplasia type 2 (MEN2)
  
• Multiple endocrine neoplasia, type 1 (MEN 1)
  
• Multiple endocrine neoplasia, type 2 (men 2)
  
• Multiple myeloma
  
• Multiple personality disorder
  
• Multiple sclerosis
  
• Multiple sclerosis (MS)
  
• Multiple system atrophy
  
• Multiple system atrophy (MSA)
  
• Multisystem inflammatory syndrome in children (MIS-C)
  
• Multisystem inflammatory syndrome in children (MIS-C) and COVID-19
  
• Mumps
  
• Munchausen syndrome
  
• Muscle strain
  
• Muscle strains
  
• Muscular dystrophy
  
• Myalgic encephalomyelitis (ME)
  
• Myalgic encephalomyelitis or chronic fatigue syndrome (ME/CFS)
  
• Myalgic encephalomyelitis/chronic fatigue syndrome
  
• Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)
  
• Myasthenia gravis
  
• Mycobacterial infections
  
• Mycobacteriosis
  
• Mycoses
  
• Mycosis
  
• Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD)
  
• Myelin oligodendrocyte glycoprotein antibody-associated disorder
  
• Myelodysplastic neoplasms
  
• Myelodysplastic syndrome (MDS)
  
• Myelodysplastic syndromes
  
• Myelofibrosis
  
• Myeloma
  
• Myelomeningocele
  
• Myocardial infarction
  
• Myocardial ischemia
  
• Myocarditis
  
• Myoclonus
  
• Myofascial pain syndrome
  
• Myoma
  
• Myopia
  
• Myositis
  
• Myxofibrosarcoma
  

N

• NAFLD
  
• Nail disorders
  
• Nail fungal infection
  
• Nail fungus
  
• Nail patella syndrome
  
• Nail problems
  
• Nappy rash
  
• Narcissism
  
• Narcissistic personality disorder
  
• Narcolepsy
  
• Nasal and paranasal tumors
  
• Nasal and sinus cancer
  
• Nasal cancer
  
• Nasal foreign body
  
• Nasal fracture
  
• Nasal polyps
  
• Nasolacrimal duct obstruction
  
• Nasopharyngeal cancer
  
• Nasopharyngeal carcinoma
  
• Nearsightedness
  
• Neck injuries and disorders
  
• Necrotising fasciitis
  
• Necrotizing fasciitis
  
• Neonatal acne
  
• Neonatal herpes
  
• Neonatal herpes (herpes in a baby)
  
• Neonatal jaundice
  
• Neoplasms
  
• Neovascular age-related macular degeneration
  
• Nephroblastoma
  
• Nephrogenic systemic fibrosis
  
• Nephrolithiasis
  
• Nephrotic syndrome
  
• Nephrotic syndrome in children
  
• Nerve pain (neuralgia)
  
• Nervous system diseases
  
• Nettle rash
  
• Neural tube defects
  
• Neuralgia
  
• Neuralgia, postherpetic
  
• Neuralgia, trigeminal
  
• Neurilemmoma
  
• Neuroblastoma
  
• Neurocardiogenic syncope
  
• Neurodermatitis
  
• Neurodiversity and neurodivergence
  
• Neuroendocrine cancers
  
• Neuroendocrine carcinoma of the skin
  
• Neuroendocrine tumors
  
• Neurofibroma
  
• Neurofibromatosis
  
• Neurofibromatosis type 1
  
• Neurofibromatosis type 1 (NF1)
  
• Neurofibromatosis type 2
  
• Neurofibromatosis type 2 (NF2)
  
• Neurofibromatosis type I
  
• Neurofibrosarcoma
  
• Neurogenetic disorders
  
• Neurogenic bladder and bowel management
  
• Neuroma, acoustic
  
• Neuroma, morton's
  
• Neuroma, plantar
  
• Neuromyelitis optica
  
• Neuromyelitis optica (NMO)
  
• Neuromyelitis optica spectrum disorder
  
• Neuropathy
  
• Neuropathy, autonomic
  
• Neuropathy, diabetic
  
• Neuropathy, hereditary motor and sensory
  
• Neuropathy, peripheral
  
• Neutropenia
  
• Nevus
  
• Newborn jaundice
  
• Newborn respiratory distress syndrome
  
• NF1
  
• Nickel allergy
  
• Nicotine addiction
  
• Nicotine dependence
  
• Niemann-Pick disease
  
• Night terrors
  
• Night terrors and nightmares
  
• Nightmare disorder
  
• Nits and head lice
  
• NMO
  
• NMOSD
  
• Nocturnal enuresis
  
• Noise sensitivity (hyperacusis)
  
• Noise-induced hearing loss
  
• Noise-related hearing loss
  
• Non-alcoholic fatty liver disease (NAFLD)
  
• Non-allergic rhinitis
  
• Non-cancerous (benign) brain tumours
  
• Non-gonococcal urethritis
  
• Non-Hodgkin lymphoma
  
• Non-Hodgkin lymphoma in children
  
• Non-insulin dependent diabetes mellitus
  
• Non-melanoma skin cancer
  
• Non-small cell lung cancer
  
• Nonalcoholic fatty liver disease
  
• Nonallergic rhinitis
  
• Nongonococcal urethritis
  
• Nonischemic priapism
  
• Nonmelanoma skin cancer
  
• Nontropical sprue
  
• Nonulcer dyspepsia
  
• Nonulcer stomach pain
  
• Noonan syndrome
  
• Norovirus (vomiting bug)
  
• Norovirus infection
  
• Norovirus infections
  
• Norwalk virus infections
  
• Nose cancer
  
• Nose fracture
  
• Nummular eczema
  
• Nursemaid's elbow
  
• Nut allergies (in children)
  
• Nutrition and pregnancy
  
• Nymphomania
  

O

• OAB
  
• Obesity
  
• Obesity in children
  
• Obesity, childhood
  
• Object (retained)
  
• Object (swallowed accidentally)
  
• Objects in the ear
  
• Objects in the nose
  
• Objects or chemicals in the eye
  
• Obsessive compulsive disorder (OCD) test
  
• Obsessive-compulsive disorder
  
• Obsessive-compulsive disorder (OCD)
  
• Obstetric cholestasis
  
• Obstetric complications
  
• Obstructive sleep apnea
  
• Obstructive sleep apnea (OSA)
  
• Obstructive sleep apnea in children
  
• Obstructive sleep apnoea
  
• Obstructive sleep apnoea (OSA)
  
• Occult primary cancer
  
• Occupational asthma
  
• Occupational stress
  
• OCD
  
• Ocular albinism
  
• Ocular cancer
  
• Ocular rosacea
  
• Oculocutaneous albinism
  
• Oculosympathetic palsy
  
• ODD
  
• Odontogenic tumors and cysts
  
• Oesophageal atresia and tracheo-oesophageal fistula
  
• Oesophageal cancer
  
• OHSS
  
• Oil spills
  
• Older adult mental health
  
• Olfactory neuroblastoma
  
• Oligodendroglioma
  
• Oligospermia
  
• Oncology
  
• Onychocryptosis
  
• Onychomycosis
  
• Open spine
  
• Ophthalmic disorders
  
• Opioid abuse and addiction
  
• Opioid overdose
  
• Opioid use disorder
  
• Opioids and opioid use disorder (OUD)
  
• Opportunistic infections in aids
  
• Oppositional defiant disorder
  
• Oppositional defiant disorder (ODD)
  
• Optic neuritis
  
• Oral cancer
  
• Oral candidiasis
  
• Oral herpes
  
• Oral lichen planus
  
• Oral thrush
  
• Oral thrush (mouth thrush)
  
• Orchitis
  
• Orf
  
• Orofacial cleft
  
• Oropharyngeal cancer
  
• Orphan diseases
  
• Orthostatic hypotension
  
• Orthostatic hypotension (postural hypotension)
  
• Osler-Weber-Rendu syndrome
  
• Osteoarthritis
  
• Osteoarthritis, cervical
  
• Osteochondritis dissecans
  
• Osteogenesis imperfecta
  
• Osteogenic sarcoma
  
• Osteomalacia
  
• Osteomyelitis
  
• Osteonecrosis
  
• Osteopenia
  
• Osteophyte
  
• Osteophyte (bone spur)
  
• Osteophytes
  
• Osteoporosis
  
• Osteosarcoma
  
• Otitis externa
  
• Otitis media
  
• Otitis media (middle ear infection)
  
• Otitis media with effusion
  
• Otosclerosis
  
• Outer ear infection
  
• Ovarian cancer
  
• Ovarian cyst
  
• Ovarian cysts
  
• Ovarian hyperstimulation syndrome
  
• Ovarian insufficiency
  
• Overactive bladder
  
• Overactive thyroid
  
• Overactive thyroid (hyperthyroidism)
  
• Overweight
  
• Overweight children
  
• Oxyphil cell carcinoma