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This guideline covers Otitis Externa in adults; an inflammation of the external ear canal and can be classed as acute (lasting less than 3 weeks) or chronic (lasting more than 3 months).
Middle ear disease
Assess for the presence of precipitating and risk factors such as:
Assess severity of symptoms:
It can be difficult to adequately visualise the tympanic membrane in people with otitis externa. However perforation can be assumed if the person:
Consider necrosing otitis externa or malignancy in patients with otitis externa and the following:
Contact on call ENT surgeon to discuss same day assessment.
Laboratory investigations are rarely useful. However, if the treatment strategy fails, consider taking an ear swab for bacterial and fungal microscopy and culture.
Reinforce self-care advice, such as avoiding damage to the external ear canal and keeping the ears clean and dry.
To aid recovery and to reduce risk of future infection advise patient:
Discuss same day assessment with on call ENT in the following situations:
Consider routine referral if:
If severe eczema suspected consider referral to dermatology - see eczema guideline
e-Referral Service Selection
This guideline has been signed off on behalf of NHS Devon.
Publication date: November 2017
Reviewed: April 2024