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

On their own, boils are not contagious. However, the infection inside a boil can be contagious if it is caused by a staph bacteria. If you or someone close to you has a boil that is actively leaking ...

Bumps that appear on the body can be hard for the average person to detect. Is it a pimple? A boil? A mosquito bite? Dr. Amy Espy-Smith, the area medical director for Concentra, an urgent-care clinic ...

Whenever you find something out of the ordinary below the belt, it’s normal to be alarmed. But, if the red, painful lump you discovered is a vaginal boil, you can probably relax. Vaginal boils aren’t ...

A cyst is a sac or cavity that may be filled with pus, semi-solid material, or air. It doesn’t usually cause pain until it gets large. An abscess is a painful, red infection that’s filled with pus. A ...