Otitis Externa

Management of outer ear infections (swimmer's ear).

Reviewed by Dr Kola Tytler MBBS CertHE MBA MSt MRCGP (General Practitioner)

Last reviewed: 21 October 2025

ENT

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regional clinical guidance

Otitis Externa: guidance by region

Recommendations, thresholds and pathways can differ. Open the page written for the jurisdiction you need.

United StatesAcute diffuse otitis externaInfection · reviewed 2026-08-20 CanadaOtitis externaInfection · reviewed 2026-08-20 AustraliaOtitis externaInfection · reviewed 2026-08-20

Clinical Guidelines

CKS: Otitis externa

NICE CKS: Otitis Externa

Acute and Chronic Otitis Externa UPPER RESPIRATORY TRACT INFECTION GUIDELINE | Nottinghamshire Area Prescribing Committee

Acute Otitis Externa - Clinical Practice Guideline | AAFP (endorsed from AAO-HNSF)

Clinical Practice Guideline: Acute Otitis Externa (Update) - American Academy of Otolaryngology–Head and Neck Surgery Foundation (AAO-HNSF)

Otitis Externa | Health topics A to Z | CKS | NICE