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.

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 ...

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, ...

Bile duct cysts are atypical enlargements that develop within your biliary system. They may disrupt the normal flow of bile from the gallbladder and liver to your small intestine. Bile duct growths ...

Q: I have sebaceous cysts on my chest and back. A surgeon indicated that the cysts could be surgically removed, but that the procedure would leave a scar. I asked whether the procedure could be ...