A pimply rash on your buttocks can have many causes ... Folliculitis is a common skin infection that appears as pimple-like sores on the skin. If you have noticed acne on your butt that is not itchy, ...
Cystic acne can be treated with topical prescriptions like retinol or benzoyl peroxide ... Hives are red and often itchy skin rashes that can appear on any part of your body.