hello, my mother states she has had a extremely itchy, drandruff like scaling on the top (outer) of her labia majora. there are not blisters, no rash, no discharge. and no parasites (crabs etc). the dry skin comes on over night,...she removed it in the am which relieves the itching. she has recently started crestor and ezetrol within the last two months. could this be a fungal side affect?