question: hi doc. last week im on a camping at a beach. im pretty busy at that time. i dont have time to wash my underwear. i wear the same underwear for about 3 days. a few days past. i have noticed there something like fungus on my penis. i have applied dettol on my penis. i have experience the burning sensation. I ve noticed my glans started to dry and wrinkle. how can this be heal? Thank you