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, ...

Boils and cysts are two types of growths on the body. Also known as furuncles, boils are pockets of pus (a creamy, white substance) on the skin caused by bacteria infecting hair follicles.

There are different types of pilonidal cyst surgery. One involves cutting the cyst to drain the fluid, while another involves removing the cyst completely. Depending on the surgery type, a person can ...

Medically reviewed by William Truswell, MD An ingrown hair cyst looks like a small red bump and often causes no pain.You can treat ingrown hair cysts at home by keeping the area clean and using a warm ...

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.

Ovarian cysts are usually not painful and will go away on their own. However, if a cyst is growing or you have multiple cysts you may have symptoms and need surgery. A ruptured cyst can cause severe ...