Some common skin infections may show up as an armpit rash. Tinea corporis is commonly called “ringworm," but it's actually a skin infection that's caused by a fungus, not a worm. There are different ...

The differential in the beginning of the course of impetigo in cludes acne, atopic dermatitis, herpes gladiatorum, and tinea corporis gladiatorum. Early stages of folliculitis in the athlete can ...