Snapshot A 40-year-old woman presentsto her dermatologist for a rash on her foot. She reports that this has been going on for about 2 weeks now ever since she started walking around her home barefoot. Her foot is pruritic and has caused her to continuously scratch the affected area. Physical exam reveals erythema, scales, and macerations on her left foot. There are similar findings on her right hand. She is prescribed an antifungal cream for treatment of both her hand and foot rash. Introduction Clinical definition login to view 6 more bullets Associated conditions login to view 2 more bullets Epidemiology Prevalence login to view 1 more bullet Demographics login to view 2 more bullets Risk factors login to view 6 more bullets Etiology Pathogenesis login to view 3 more bullets Dermatophytes login to view 4 more bullets Presentation Symptoms login to view 4 more bullets Physical exam login to view 4 more bullets Studies KOH preparation login to view 2 more bullets Diagnostic criteria login to view 1 more bullet Differential Contact dermatitis Psoriasis Treatment Medical login to view 16 more bullets Complications Id reaction (dermatophytid reaction) login to view 1 more bullet Secondary bacterial infection Prognosis responsive to topical treatment