Swollen Lymph Nodes

Swollen lymph nodes, also known as lymphadenopathy, occur when the lymph nodes in the body become enlarged or inflamed. This can be a sign of an underlying infection, inflammation, or other medical condition.

Causes of Swollen Lymph Nodes

• Infections such as bacterial, viral, or fungal infections
• Autoimmune disorders, such as rheumatoid arthritis or lupus
• Cancer, including lymphoma, leukemia, or other types of cancer that spread to the lymph nodes
• Allergic reactions or sensitivities
• Vaccinations, which can cause temporary swelling of the lymph nodes
• Injury or trauma to the lymph nodes

Locations of Swollen Lymph Nodes

Lymph nodes are located throughout the body, and swollen lymph nodes can occur in various locations, including:

• Neck (cervical lymph nodes)
• Armpits (axillary lymph nodes)
• Groin (inguinal lymph nodes)
• Abdomen (abdominal lymph nodes)
• Under the jaw (submandibular lymph nodes)

Symptoms of Swollen Lymph Nodes

In addition to swelling, other symptoms may include:

• Pain or tenderness in the affected area
• Redness or warmth over the affected area
• Fever
• Weight loss
• Fatigue
• Sweating

Diagnosis of Swollen Lymph Nodes

A diagnosis of swollen lymph nodes is typically made through a combination of:

• Physical examination
• Medical history
• Imaging tests, such as ultrasound, CT scan, or MRI
• Biopsy of the affected lymph node
• Laboratory tests, such as blood work or cultures

Treatment of Swollen Lymph Nodes

Treatment for swollen lymph nodes depends on the underlying cause and may include:

• Antibiotics for bacterial infections
• Anti-inflammatory medications for autoimmune disorders or allergic reactions
• Cancer treatment, such as chemotherapy or radiation therapy
• Surgery to remove the affected lymph node
• Supportive care, such as rest and hydration, for viral infections

When to Seek Medical Attention

It is essential to seek medical attention if you experience:

• Sudden or severe swelling of the lymph nodes
• Pain or tenderness that worsens over time
• Fever above 101.5°F (38.6°C)
• Difficulty swallowing or breathing
• Unexplained weight loss

Frequently Asked Questions (FAQs)

What are swollen lymph nodes?
Enlarged or inflamed lymph nodes in the body.

Where are lymph nodes located?
In neck, armpits, groin, and behind the ears.

What causes swollen lymph nodes?
Infection, virus, or bacterial disease.

Can cancer cause swollen lymph nodes?
Yes, some types of cancer can cause swelling.

Are swollen lymph nodes painful?
Sometimes, but not always.

How long do swollen lymph nodes last?
Varies, from a few days to several weeks.

Can swollen lymph nodes be treated at home?
Mild cases with rest and hydration.

When should I see a doctor for swollen lymph nodes?
If severe, persistent, or accompanied by fever.

Can antibiotics treat swollen lymph nodes?
Only if caused by bacterial infection.

Are swollen lymph nodes contagious?
Not directly, but underlying cause might be.