Medically reviewed by Susan Bard, MD Boils are painful, pus-filled, and are caused by infections like Staphylococcus ...

Have you ever woken up from a nap and felt a big red bump that hurt when you touched it? Oh no! It could be a boil on the anus without an eye. But wait! Before you expose him, you first need to know ...

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 ...