Boils are painful, pus-filled, and are caused by infections like Staphylococcus aureus. Cysts are painless, non-infectious ...

A boil on your butt may be fluid-filled, itchy, or painful. An infected or inflamed hair follicle, called folliculitis, is the main cause of boils. Treatment for boils may include home remedies and ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...