“Furuncle” is another word for a “boil.” Boils are bacterial infections of hair follicles that also involve the surrounding tissue. The infected hair follicle can be on any part of your body, not only ...

A boil begins as a red, tender bump and can become a painful, pus-filled bump. To help a boil heal, apply a warm, moist compress for 10 minutes, three times a day. If a boil lasts over a week, you ...

A pimple-like bump or sore inside the nose can sometimes be due to nasal vestibulitis or nasal folliculitis. It is a bacterial infection that can develop when hair follicles become infected, for ...

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 ...