Boils form from infected hair follicles. They can start as small, red bumps and turn into hard lumps under your skin that secrete pus. They usually go away on their own, but can reoccur. A boil is a ...

Boils are bacterial skin infections that start deep in hair follicles, causing painful, pus-filled bumps that typically appear on the buttocks, face, neck, back, armpits, and groin. Most boils get ...