This could b Pityriasis versicolor. It is a fungal skin infection caused by a type of yeast. It's a common cause of skin rash in teens and young adults. It causes lots of round and oval-shaped patches on the skin, especially on the chest, back, and upper arms. It aggravated with sweating. Consult a Dermatologist for the same.
Answered2021-09-28 08:14:38
1/1 people found this helpful