The skin bumps may appear red, pink, brown, black, or your skin color. Boils are pus-filled, red, and irritated raised skin bumps that usually occur when bacteria or fungus infect a hair follicle.

It can be a small, raised red or purplish bump. You may see a tiny pinprick or two fang marks at the area of the bite. Over ...

raised welts that often appear suddenly and can spread quickly. Keratosis pilaris is a common skin condition where small, red, rough bumps appear on the skin, particularly on the arms, thighs ...