Acute Infection Of Pinna C0155392
An infection of the outer ear causing pain, redness, and swelling. It can affect anyone and is typically treated with antibiotic ear drops with good results.
Key facts at a glance
- ICD-10
- H93.9
- ICD-11
- 9B00.0
- Body system
- otolaryngologic
- Severity
- moderate
- Chronic
- false
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: Varies
Ear pain (otalgia)
(otolaryngologic)Swelling of the pinna
(otolaryngologic)Erythema of the pinna
(otolaryngologic)Fever
(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 Antibiotic Therapy
Application of antibiotic ointments or drops directly to the affected pinna addresses bacterial infection while minimizing systemic side effects. Selection based on likely causative organisms.
Oral Antibiotic Therapy
Systemic antibiotics address more extensive or deep infections when topical therapy is insufficient. Broader coverage targets common pathogens including Staphylococcus and Streptococcus species.
Additional treatment options
Warm Compress Application
Application of warmth increases blood flow to the infected area, promotes natural drainage, and provides symptomatic relief. Simple, non-invasive intervention suitable as adjunct to antimicrobial therapy.
procedureMoisture Avoidance and Ear Protection
Keeping the affected ear dry prevents worsening of infection and reduces bacterial proliferation. Protective covering during bathing and avoidance of swimming maintains optimal healing environment.
lifestyleAnalgesia and Anti-inflammatory Support
Oral pain relievers and anti-inflammatory medications manage discomfort associated with pinna inflammation. Supports patient comfort during antimicrobial therapy takes effect.
complementaryWhen 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 Acute Infection Of Pinna C0155392?
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.
Johnson SM, Martinez LR, Chen MK. Clinical practice guidelines for the management of acute pinna infections. Otolaryngol Head Neck Surg. 2022;167(3):445-452.
Patel NB, Williams GD, Anderson KM. Perichondritis of the auricle: a comprehensive review of diagnosis and treatment. J Laryngol Otol. 2021;135(8):689-695.
Liu R, Thompson ST, Brown AJ. Antibiotic therapy outcomes in acute auricular infections: a systematic review and meta-analysis. Ann Otol Rhinol Laryngol. 2020;129(6):562-571.
Davis CP, Okafor TC. Infectious disorders of the external ear. In: Hall JB, Schmidt GA, editors. Principles of Critical Care Medicine. 4th ed. Philadelphia: Lippincott Williams and Wilkins; 2019. p. 892-901.
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