A boil, also called a furuncle, is an infection of a hair follicle that goes into the deeper layers of skin, causing an abscess (a small pocket of pus). These infections are typically caused by the ...

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

A boil, also known as a furuncle, is a swollen, pus-filled growth on the skin that occurs when bacteria—even those normally found on your body—infect a group of hair follicles. Boils commonly develop ...

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 ...

A boil is a painful, pus-filled bump that forms under your skin when your hair follicles become infected by bacteria and get inflamed. A carbuncle is a cluster of boils (furuncles) that form a ...

A boil, also called an abscess, is an infection deep inside the skin that produces redness, pain, swelling, and pus. Boils generally develop when Staphylococcus bacteria invade the body through a ...