question: i am 62 yrs old. married and had no sex with other women for more than 25 yrs.I had itching in my scrotum for 2 months now. the doctor allergologist gave oral and topical meds but to no avail. i had lab scraping of scrotum for fungal infection check but it was negative. there are no rashes either. what is the diagnosis? what should be the treatment doc?