Suggest Treatment For Severe Itching In My Legs

Hello. I am 22 years old. I used to hav itching at side thighs due to excessive perspiration. I used Candid B cream to treat it. The itching reduces.. But the skin has become dark and irregualr in coloration. In my collage.. We use pumping supply frm a nearby river. And.. Owing to the recent rains.. Contamination.. I think I might hav contaminated some skin disease. There is severe itching in my legs, thighs, hands.. Especially fingers. Plus.. There are boils on my penis and scrotum. The boils are itchy. Plus.. The lower abdomen region also expreiences severe itching. Please suggest something.