Dr Ameen

Article written by Dr Ameen, ENT Specialist Kuala Lumpur

Yes, your ear can become blocked from both external causes like earwax buildup or foreign objects in the ear canal, and internal causes such as Eustachian tube dysfunction or fluid accumulation behind the eardrum. Understanding which type of blockage you have determines the right treatment approach.

Understanding External Ear Blockage

External ear blockage happens in the ear canal itself. In my clinic in Kuala Lumpur, I see this constantly, especially given our tropical humidity. The warm, moist environment here creates perfect conditions for certain ear problems.

Common causes include:

• Cerumen impaction: Excessive earwax that hardens and obstructs the canal, frequently exacerbated by the habitual usage of cotton buds.
• Otitis externa: Inflammation or infection of the ear canal, often called swimmer’s ear.
• Foreign bodies: Objects accidentally lodged in the ear (pediatric patient).
• Exostoses: Bony growths from repeated cold water exposure.
• Furunculosis: Infected hair follicles causing painful swelling.

Patients often describe a feeling of fullness, muffled hearing, or discomfort. Some notice itching or even discharge. The humid Malaysian climate means sweat and moisture get trapped more easily, making external ear issues particularly common here.

Internal Ear Blockage Explained

Internal blockage occurs behind the eardrum in the middle ear space. This involves the Eustachian tube, that small channel connecting your middle ear to the back of your nose.

When this tube fails to open properly, negative pressure builds up. Fluid accumulates. You feel that frustrating blocked sensation even though the ear canal looks completely clear.

Typical causes include:

• Upper respiratory infections – colds and flu causing tube inflammation
• Allergic rhinitis – extremely common in Malaysia with our year-round allergens
• Sinusitis – chronic or acute sinus inflammation
• Barotrauma – pressure changes from flying or diving
• Adenoid hypertrophy – enlarged adenoids blocking the tube opening in children

The symptoms differ slightly from external blockage. You might experience popping sensations, difficulty equalizing pressure, or hearing that sounds underwater. Some patients report mild dizziness or balance issues.

Clinical Approach to Diagnosis

In practice, I examine the ear canal and eardrum using otoscopy. External blockage shows visible obstruction in the canal. The eardrum might be normal or show signs of infection.

Internal blockage presents differently. The canal appears clear, but the eardrum looks retracted or shows fluid levels behind it. Tympanometry helps confirm middle ear pressure abnormalities.

Sometimes we need audiometry to assess hearing impact. Persistent cases might require nasal endoscopy to check for underlying nasal or sinus issues contributing to Eustachian tube dysfunction.

Treatment Strategies

Management depends entirely on the blockage location and cause.

For external ear blockage:

• Professional earwax removal using microsuction or irrigation
• Topical antibiotic drops for infections
• Avoiding cotton buds that push wax deeper
• Keeping ears dry during treatment

For internal ear blockage:

• Nasal steroid sprays to reduce inflammation
• Decongestants for short-term relief
• Autoinflation techniques like the Valsalva maneuver
• Treating underlying allergies or sinusitis
• Grommet insertion for persistent fluid

Prevention in Tropical Climates

Living in Kuala Lumpur means accepting certain realities. Our humidity demands extra ear care. Dry your ears thoroughly after swimming. Consider alcohol-based ear drops if you swim regularly. Manage allergies proactively rather than waiting for symptoms.

Avoid inserting objects into your ears. The ear cleans itself naturally in most cases. When it doesn’t, seek professional help instead of attempting risky self-removal.

Frequently Asked Questions

Can earwax cause complete hearing loss? Severe impaction can cause significant conductive hearing loss, but complete deafness is rare. Removal typically restores hearing immediately.

How long does Eustachian tube dysfunction last? Most cases resolve within two weeks. Persistent symptoms beyond six weeks need specialist evaluation to rule out complications.

Is ear candling safe for wax removal? No. Ear candling lacks scientific evidence and carries burn and perforation risks. Professional microsuction remains the safest option.

Why do my ears block during flights? Rapid pressure changes overwhelm the Eustachian tube’s ability to equalize. Chewing gum or swallowing during descent helps prevent this.

Conclusion

Ear blockage isn’t just one problem with one solution. Whether external or internal, the cause dictates treatment. Don’t ignore persistent symptoms or attempt dangerous home remedies. Proper diagnosis ensures you get the right care quickly.

When Should You See an ENT Specialist?

If your symptoms persist, worsen, or are affecting your daily life, it’s best to get a proper ENT assessment. Early evaluation can help identify the exact cause and prevent complications. You can consult Dr Ameen for a detailed evaluation and personalised treatment plan. Appointments can be arranged directly with the clinic for convenience.

About the Author

Dr. Ameen is an ENT Specialist and Surgeon based in Kuala Lumpur. He earned his medical degree (MB BCh BAO, Hons) in Ireland and completed his Master of Otorhinolaryngology at Universiti Kebangsaan Malaysia. With comprehensive tertiary training from Hospital Kuala Lumpur and Hospital Tunku Azizah, he expertly manages complex adult and pediatric ENT conditions, including sinus, ear, throat, and vertigo disorders. Dr. Ameen currently serves as a sessional consultant at Sunway Medical Centre Velocity and Columbia Asia Hospital Setapak, and will join KPJ Ampang Puteri Specialist Hospital as a full-time resident specialist in August 2026.