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 ...

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.

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, ...

Cysts, abscesses and lipomas all have one common feature: they cause a lump or bump on the skin. All three are very common and I literally remove a hundred or more lipomas and sebaceous cysts a year.

When bacteria spreads to a cyst in one of the Bartholin’s glands, it can cause a buildup of pus and lead to an abscess. In most cases, drainage is necessary. The Bartholin’s glands are two small, ...

MANY women have experienced that sudden discomfort – a small, tender lump near the vaginal opening that seems to appear out of nowhere. At first, it may not hurt much, but over time it can grow, ...

It often starts as a sore spot you assume is a zit, ingrown hair, or minor irritation. Then it gets worse. Sitting becomes ...

Ingrown hairs can cause a cyst, which is a fluid-filled lump. Home remedies and medical treatments may help manage an ingrown hair cyst. An ingrown hair occurs when the hair grows downward instead of ...

What Is a Dentigerous Cyst? A dentigerous cyst, also called a follicular cyst, is the second most common type of jaw (odontogenic) cyst. It's a fluid-filled sac that develops in your jawbone over a ...

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