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

Bartholin cysts are common fluid-filled lumps that form near the opening of your vagina. When infected, they can become abscesses, which can have more severe symptoms and require different treatments.

The Bartholin glands sit on either side of the vagina and make lubricating fluid. When these glands get blocked, fluid can back up in them and form a Bartholin cyst. Bartholin cysts are often small ...

The infection is caused by cysts created by the larva of the pork tapeworm. A report published Friday details a severe case in which a tapeworm infected an 18-year-old Indian boy’s brain, eventually ...

Pilonidal sinus—also called a pilonidal cyst—is a skin infection that occurs in or around the crease of your buttocks. This condition happens when hair, skin cells, and dirt clog a hair follicle, ...

Incomplete sealing of the urachus — a line of connectivity between a fetus and the umbilical cord — can cause a urachal cyst to develop. It can lead to abdominal pain and other symptoms and often ...

Rochelle Collins, DO, is a board-certified family medicine physician and assistant clinical professor of family medicine at Quinnipiac University. Discharge from your belly button might be a sign of ...