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Otitis Externa

This page was last reviewed 13-08-20

Otitis Externa

EXAMINATION:

  • Look for swelling, inflammation or discharge

Consideration of referral – What you need to ask the patient:

  • Duration of symptoms days/weeks/months
  • Any hearing loss
  • Itch
  • Pain or discharge

Urgent referral by phone to on call ENT at St Johns only if:

  • Severe pain, hearing loss or bleeding
  • Facial Palsy
  • Signs of spread to pinna (perichondritis)

Non-urgent referral to clinic, if:

  • Not responding to primary care treatment
  • Persisting hearing loss

Acute otitis externa

  • Advice to patients to keep ears dry (no swimming).  Even when showering use cotton wool & vaseline. Strictly avoid use of cotton buds or any other instrument
  • Clean canal by cotton wool or irrigation (if no perforation)
  • Prescribe antibiotic drops/spray – see  Lothian Joint Formulary
  • If the canal is swollen and painful, use an ear wick (merocel) with the above drops
  • If unresponsive, consider fungal infection
  • If persistent, consider microbiology swabs and refer to ENT
  • If there is a known perforation CILODEX drops are available

Chronic otitis externa

  • This is a form of eczema and itch is a predominant symptom
  • If itchy only, use simple almond oil (ensure patient not allergic to nuts)
  • A 10% dilution of household vinegar with  cold boiled water applied once per day is also useful. This can be bought over the counter as EarCalm.
  • Advise patients to keep ears dry (no swimming). Even when showering use cotton wool & vaseline. Strictly avoid use of cotton buds or any other instrument
  • It is best treated with steroid drops or ointment (Betamethasone)