Onychomycosis is a particular concern for active people because cause
they're exposed to fungi in locker rooms and because hot, sweaty feet
enable the infection to flourish. A thorough physical exam and potassi
um hydroxide exam of debris from the nail plate can help rule out look
-alike conditions and provide information that will guide drug therapy
. Treatment with the new generation of onychomycosis medications-itrac
onazole, fluconazole, and terbinafine hydrochloride-is costly but prod
uces impressive cure rates. Active patients need detailed instruction
about preventive measures to avoid recurrence.