Acute Sinusitis

Acute sinusitis is a common medical condition characterized by inflammation of the sinuses, which are air-filled cavities located within the skull. The sinuses produce mucus that helps to filter and humidify the air we breathe, but when they become inflamed or infected, it can lead to a range of uncomfortable symptoms.

Causes

Acute sinusitis is typically caused by a viral or bacterial infection, such as the common cold or flu. Other factors that can contribute to the development of acute sinusitis include:

Symptoms

The symptoms of acute sinusitis can vary depending on the severity and location of the infection. Common symptoms include:

Diagnosis

Acute sinusitis is typically diagnosed based on a combination of medical history, physical examination, and diagnostic tests. These may include:

  • Physical examination of the nasal passages and sinuses
  • Imaging studies, such as X-rays or CT scans, to visualize the sinuses
  • Nasal endoscopy, which involves inserting a flexible tube with a camera into the nasal passages
  • Culture tests, to identify the presence of bacteria or other microorganisms

Treatment

The treatment for acute sinusitis depends on the underlying cause and severity of the condition. Common treatments include:

Complications

If left untreated or poorly managed, acute sinusitis can lead to a range of complications, including:

  • Chronic sinusitis, which is a long-term inflammation of the sinuses
  • Sinus abscesses, which are collections of pus that can form in the sinuses
  • Osteomyelitis, which is an infection of the bone
  • Orbital cellulitis, which is an infection of the tissues surrounding the eye
  • Meningitis, which is an infection of the membranes surrounding the brain and spinal cord

Prevention

To reduce the risk of developing acute sinusitis, it is recommended to:

  • Practice good hygiene, such as washing hands regularly and avoiding close contact with people who have colds or flu
  • Avoid allergens and irritants, such as tobacco smoke and pollution
  • Use a humidifier to add moisture to the air, which can help to keep the sinuses healthy
  • Get vaccinated against flu and other respiratory infections
  • Manage underlying conditions, such as allergies or asthma, to reduce the risk of developing sinusitis

Frequently Asked Questions (FAQs)

What is acute sinusitis?
Inflammation or infection of the sinuses that lasts less than 4 weeks.

What causes acute sinusitis?
Viral or bacterial infections, allergies, or environmental factors.

What are the symptoms of acute sinusitis?
Facial pain, nasal congestion, yellow or green discharge, headache, and fever.

How is acute sinusitis diagnosed?
Physical exam, medical history, and imaging tests such as X-rays or CT scans.

Can acute sinusitis be treated with antibiotics?
Only if caused by a bacterial infection, not viral.

What are some home remedies for acute sinusitis?
Rest, hydration, warm compresses, and over-the-counter pain relievers.

Can acute sinusitis be prevented?
Practicing good hygiene, avoiding close contact with people who have colds or flu.

How long does acute sinusitis last?
Typically less than 4 weeks, but can last up to 12 weeks in some cases.

Are there any complications of acute sinusitis?
Yes, such as meningitis, brain abscess, or osteomyelitis in rare cases.

When should I see a doctor for acute sinusitis?
If symptoms worsen, last longer than 7-10 days, or are severe.

Article last updated on: 25th June 2025.
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