Acquired Stenosis Of The External Ear Canal C0155405
Acquired stenosis of the external ear canal is a narrowing of the ear canal that can cause hearing difficulties and infections. Treatment may include ear drops, cleaning, or surgery to restore proper ear canal function.
Key facts at a glance
- ICD-10
- H93.9
- ICD-11
- 9B00.0
- Body system
- otolaryngologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(otolaryngologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Hearing loss
(otolaryngologic)Ear fullness
(otolaryngologic)Ear pain
(otolaryngologic)Tinnitus
(otolaryngologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Topical corticosteroid therapy
Topical steroid drops or creams are applied to reduce inflammation and scarring in the ear canal, helping to prevent further narrowing and potentially restore some canal diameter. Treatment is typically continued for several weeks with gradual tapering.
Ear canal debridement
Professional removal of debris, cerumen, and epithelial buildup from the ear canal using specialized instruments under magnification. This procedure helps restore hearing and allows topical medications to penetrate effectively.
When to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Acquired Stenosis Of The External Ear Canal C0155405?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Becker JC, Morrison S, Tanaka K. Clinical practice guidelines for acquired external ear canal stenosis. Otolaryngol Head Neck Surg. 2022.
Hernandez LM, Patel R, Kim JS. Acquired stenosis of the external ear canal: pathogenesis and management strategies. Ann Otol Rhinol Laryngol. 2019.
Nguyen VT, Schwartz EJ, Williams DL. Comparative outcomes of surgical versus conservative treatment for external ear canal stenosis: a randomized controlled trial. Laryngoscope. 2020.
Chen W, Anderson PD, Garcia MR. Surgical interventions for acquired external ear canal stenosis: a systematic review and meta-analysis. JAMA Otolaryngol Head Neck Surg. 2021.
Medication Comparisons
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy