Otitis Externa Flashcards
what are the causes of otitis externa?
- infection = bacterial or fungal
- seborrhoeic dermatitis
- contact dermatitis
- recent swimming
what bacteria commonly cause otitis externa?
- staph aurea
- pseudomonas aeruginosa
what are the features of otitis externa?
- ear pain, itch, discharge
- pain on palpation of the tragus
what is seen on otoscopy in otitis externa?
- red
- swollen
- eczematous canal
what is the recommended initial management of otitis externa?
- topical antibiotic
- topical antibiotic + steroid
what is the management of otitis externa with canal debris?
removal
what is the management of otitis externa with extensively swollen canal?
ear wick
what is the management if a patient with otitis externa fails to respond to topical antibiotics?
referral to ENT
who is more likely to suffer from malignant otitis externa?
elderly diabetics
what is the antibiotic of choice in otitis externa in diabetics?
ciprofloxacin
to cover pseudomonas
what is the antibiotic of choice in otitis externa with systemic symptoms?
flucloxacillin