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鳞屑、丘疹、杯状耳、耳廓癣、听力减退、结痂、瘙痒
Otomycosis is acute/subacute/chronic fungal infection of auricle/external canal; 15-20% of ear infections. Auricle = dermatophyte (T. rubrum/T. mentagrophytes/M. lanosum); external canal = A. niger/fumigatus (A. niger >90%). Warm humid tropics; unilateral right side; summer.
Scale; papule; cup ear; auricle tinea; hearing loss; crusting; pruritus
Auricle: dermatophytes spread from scalp/face/hand/foot/groin/nail tinea. External canal: A. niger/fumigatus >90%; also Candida/Penicillium/Absidia/Scopulariopsis/Rhizomucor. Airborne spores; 80-90% also have bacteria (Pseudomonas/Proteus/Micrococcus/Strep/E. coli/Corynebacterium) which worsen infection. Predisposing: eczema/psoriasis/seborrheic dermatitis, humidity, trauma, chronic antibiotics/steroids.
Drug therapy, rehabilitation
Dry canal; no dirty ear picks; alcohol drops after water; antibiotics/steroids judiciously. Remove debris; 1-2% salicylic acid or thymol alcohol; nystatin spray or miconazole cream.
It is recommended to visit the ENT department; an appointment can be booked on this platform before the visit.
Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.
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