"I avoided the mirror when I undressed so that I didn’t have to notice the growing number of large, protruding bumps." ...

Acne is a chronic disease ofthe pilosebaceous follicle that affects mainly adolescents. It causes polymorph cutaneous lesions that may leave scars after regression. It is characterized by ...

Related: What Is Acne Vulgaris? Acne caused by sex hormone changes ... back, shoulders, and chest. Types of acne can include ...

Medically reviewed by Susan Bard, MD Butt acne is not true acne. Blemishes on the buttocks are typically caused by another skin condition such as folliculitis, keratosis pilaris, or boils. It is ...