What is Chronic Suppurative Otitis Media? Causes and Symptoms

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

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

Chronic Suppurative Otitis Media (CSOM) is a long-standing infection of the middle ear characterized by persistent or recurrent ear discharge through a perforated eardrum. It commonly develops following untreated or recurrent acute otitis media and can lead to hearing loss and other serious complications if left untreated. Early diagnosis and appropriate treatment are essential to preserve hearing and prevent the spread of infection.

Risk factors such as recurrent ear infections, poor Eustachian tube function, immune system disorders, and inadequate treatment of acute ear infections increase the likelihood of developing Chronic Suppurative Otitis Media.

What are the Types of Chronic Suppurative Otitis Media?

Chronic Suppurative Otitis Media is broadly classified into different types based on the location and severity of the disease.

Tubotympanic Disease: Involves a central perforation of the eardrum with an intact ossicular chain. It is generally considered the safer form of CSOM.
Atticoantral Disease: Involves the attic and antrum of the middle ear and is commonly associated with cholesteatoma, which can erode nearby structures.
Central Otitis Media: A less common form involving infection of the mastoid air cells that may lead to mastoiditis or abscess formation.
Diffuse Otitis Externa: A condition affecting the external ear canal that may coexist with chronic middle ear infections and cause inflammation and discharge.

What are the Symptoms of Chronic Suppurative Otitis Media?

Symptoms usually develop gradually and may persist for weeks or months if left untreated.

Persistent or recurrent ear discharge, often foul-smelling.
Hearing loss affecting one or both ears.
Ear pain or discomfort.
A feeling of fullness or pressure in the ear.
Recurrent ear infections.
Tinnitus (ringing or buzzing in the ear).
Occasionally fever or dizziness.

What are the Causes of Chronic Suppurative Otitis Media?

Chronic Suppurative Otitis Media develops due to persistent infection and inflammation of the middle ear, often following inadequately treated acute otitis media.

Untreated or recurrent acute otitis media.
Prolonged exposure to moisture or humid environments.
Persistent bacterial infection.
Eustachian tube dysfunction.
Poor hygiene practices.
Structural abnormalities of the ear.
Weakened immune system.
Smoking and exposure to secondhand smoke.
Allergies or chronic sinus disease.

When to See a Doctor for Chronic Suppurative Otitis Media?

If you have persistent ear discharge, hearing loss, ear pain, or symptoms of a chronic ear infection lasting for more than six weeks, consult an ENT Specialist. Early diagnosis and treatment can help prevent complications, preserve hearing, and reduce the risk of the infection spreading to nearby structures.

If you have persistent or recurrent ear discharge lasting for several weeks.
If you experience ongoing ear pain, ear fullness, or discomfort that does not improve.
If you notice hearing loss, ringing in the ears (tinnitus), or difficulty hearing conversations.
If you develop foul-smelling ear discharge or repeated episodes of ear infections.
If you experience dizziness, vertigo, balance problems, or persistent headaches.
If you notice swelling, redness, or tenderness around the ear or behind the ear.
If you develop facial weakness, high fever, severe headache, confusion, or signs of a spreading infection, seek immediate emergency medical attention.
If your symptoms persist or worsen, consult an ENT Specialist for a comprehensive evaluation, hearing assessment, appropriate investigations, diagnosis, and a personalized treatment plan.

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How is Chronic Suppurative Otitis Media Diagnosed?

Diagnosis involves evaluating symptoms, examining the ear, assessing hearing, and performing tests to determine the severity of infection and associated complications.

Otoscopic examination.
Audiometry (hearing test).
Tympanometry to evaluate middle ear function.
Culture and sensitivity testing of ear discharge.
CT scan or MRI when complications are suspected.

How is Chronic Suppurative Otitis Media Treated?

Treatment aims to eliminate infection, stop ear discharge, preserve hearing, and prevent long-term complications.

Antibiotic Ear Drops: Used to control bacterial infection and reduce inflammation.
Oral Antibiotics: May be prescribed when infection extends beyond the middle ear.
Ear Cleaning (Aural Toilet): Regular cleaning helps remove infected debris and improves medication effectiveness.
Tympanoplasty: Surgical repair of the perforated eardrum to restore hearing and prevent recurrent infections.
Mastoidectomy: Removal of infected mastoid air cells in advanced or complicated cases.
Pressure Equalization (PE) Tubes: May be recommended in selected patients to improve middle ear ventilation.

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What are the Risk Factors for Chronic Suppurative Otitis Media?

Several factors increase the likelihood of developing Chronic Suppurative Otitis Media.

Recurrent ear infections.
Untreated acute otitis media.
Exposure to moisture or humid environments.
Poor ear hygiene.
Smoking or exposure to secondhand smoke.
Weakened immune system.
Structural abnormalities of the ear.
History of ear surgery or ear trauma.
Living in overcrowded or unhygienic conditions.
Chronic allergies or sinus disease.

Frequently Asked Questions

1. How can Chronic Suppurative Otitis Media be identified through its signs?

Signs of Chronic Suppurative Otitis Media include ear discharge, hearing loss, ear pain, and sometimes fever.

2. How should I care for myself with Chronic Suppurative Otitis Media what should I do and avoid?

Keep the ear dry, take prescribed medications, and avoid swimming. Seek medical help if symptoms worsen.

3. What serious complications could arise from Chronic Suppurative Otitis Media?

Potential serious complications include hearing loss, mastoiditis, meningitis, brain abscess, and facial nerve paralysis. Prompt treatment is essential to prevent irreversible damage and further complications.