Avoid persistent and excessive moisture in the genital area by wearing underwear or pantyhose with cotton crotches, and loose fitting slacks. Avoid wearing wet bathing suits or exercise clothing for long periods of time, and wash them after each use

i never had a otc med for this but i did get script for a suppositories and cream and i know you can by the same cream here over the counter so take script to chemist ask if you can buy that paticular med over the counter first before trying others, these two sound good otc meds miconazole or clotrimazole.

Cranberry juice and yogurt are two foods that may help prevent the occurrence of yeast infections and aid in their treatment
good luck