Chronic Sinusitis: Symptoms and Treatment

Written by Medicover Team and Medically Reviewed by Dr Neha A Padia , ENT

Causes
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Diagnosis
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1. Causes 2. Find a Doctor 3. Diagnosis 4. Treatment 5. FAQs

Chronic sinusitis, also known as chronic rhinosinusitis, is a long-term inflammation of the sinuses that persists for 12 weeks or longer despite treatment. Unlike acute sinusitis, which usually resolves within a few weeks, chronic sinusitis can significantly affect breathing, sleep, smell, and overall quality of life.

What are the Causes of Chronic Sinusitis?

Chronic sinusitis develops due to persistent inflammation or blockage of the sinuses. Several factors may contribute to this condition.

Infections

Recurring bacterial, viral, or fungal infections can cause persistent inflammation of the sinus lining, resulting in chronic sinusitis.

Allergies

Allergies to pollen, dust mites, pet dander, and other environmental allergens can trigger inflammation in the nasal passages, preventing normal sinus drainage. Allergic reactions are a common contributing factor.

Nasal Polyps

Nasal polyps are noncancerous growths that can obstruct the nasal passages and block mucus drainage, increasing the risk of chronic sinus inflammation.

Deviated Septum

A deviated septum can narrow the nasal passages, restricting airflow and preventing proper drainage of the sinuses.

Other Factors

Additional contributing factors include respiratory tract infections, immune system disorders, cystic fibrosis, and exposure to environmental irritants.

What are the Symptoms of Chronic Sinusitis?

Symptoms of chronic sinusitis often persist for more than 12 weeks and may vary in severity.

Common Symptoms

The most common symptoms include:

Nasal congestion and blockage.
Thick yellow or green nasal discharge.
Postnasal drip.
Reduced sense of smell and taste.
Facial pain or pressure around the eyes, cheeks, and forehead.
Headache.
Fatigue.
Bad breath.

When to See a Doctor for Chronic Sinusitis?

If you have persistent nasal congestion, facial pain or pressure, thick nasal discharge, or a reduced sense of smell lasting for more than 12 weeks, consult an ENT Specialist. Early diagnosis and treatment can help relieve symptoms, prevent complications, and improve your overall quality of life.

If you have nasal congestion, facial pain, or sinus pressure lasting longer than 12 weeks.
If you experience thick yellow or green nasal discharge that does not improve with treatment.
If you have a reduced or complete loss of smell or taste.
If you develop recurrent sinus infections or symptoms that frequently return after treatment.
If you experience severe headaches, facial swelling, persistent tooth pain, or ear discomfort associated with sinus symptoms.
If your symptoms interfere with sleep, work, or daily activities.
If you develop a high fever, swelling around the eyes, vision changes, severe headache, confusion, or difficulty breathing, seek immediate medical attention.
If your symptoms persist or worsen, consult an ENT Specialist for a comprehensive evaluation, appropriate investigations, diagnosis, and a personalized treatment plan.

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How is Chronic Sinusitis Diagnosed?

Healthcare providers use a combination of medical history, physical examination, and diagnostic tests to confirm chronic sinusitis and determine its underlying cause.

Medical History and Physical Examination

Your doctor will review your symptoms, medical history, allergy history, and perform a physical examination of the nose and sinuses.

Imaging Studies

CT scans or MRI scans provide detailed images of the sinuses, helping identify inflammation, nasal polyps, structural abnormalities, or blockages.

Nasal Endoscopy

A nasal endoscopy uses a thin, flexible tube with a camera to examine the nasal passages and sinus openings for inflammation, infection, or polyps.

How is Chronic Sinusitis Treated?

Treatment aims to reduce inflammation, improve sinus drainage, relieve symptoms, and prevent recurrence.

Nasal Corticosteroids

Nasal corticosteroid sprays help reduce inflammation and swelling in the nasal passages, improving breathing and sinus drainage.

Saline Nasal Irrigation

Saline rinses help remove mucus, allergens, and irritants while keeping the nasal passages moist.

Antibiotics

Antibiotics may be prescribed if a bacterial infection is confirmed or strongly suspected.

Antihistamines

Antihistamines help control allergy symptoms that contribute to chronic sinus inflammation.

Oral or Injected Corticosteroids

Short-term oral or injectable corticosteroids may be recommended in severe cases, especially when nasal polyps are present.

Surgery

Surgery may be considered when medications fail to provide lasting relief.

Endoscopic Sinus Surgery

This minimally invasive procedure removes blockages, enlarges sinus openings, and restores normal drainage.

Balloon Sinuplasty

Balloon sinuplasty widens blocked sinus passages using a small inflatable balloon, improving drainage without removing tissue.

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What are the Complications of Chronic Sinusitis?

If left untreated, chronic sinusitis may lead to several complications affecting the sinuses and surrounding structures.

Recurrent Sinus Infections

Persistent inflammation increases the risk of repeated sinus infections requiring ongoing treatment.

Spread of Infection

In rare cases, infection can spread to the eyes, causing swelling, redness, and vision problems, or even to the brain, leading to serious conditions such as meningitis.