Boils are pus-filled lumps on the skin that can occur anywhere on the body, including the buttocks. Boils often resolve without treatment. In severe instances, antibiotics and surgery may be necessary ...

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 ...