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

Arachnoid cysts are the most common type of brain cyst. They're not tumors, but cysts filled with cerebrospinal fluid (a clear liquid that surrounds your brain and spinal cord). Most people who have ...

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 ...

Tarlov cysts are a condition where you develop cysts on the nerves of your spine. These pockets of fluid aren't life-threatening, but they can lead to symptoms like pain or muscle weakness. The cysts ...

A branchial cleft cyst is a birth abnormality that occurs on one or both sides of the neck. This atypical tissue may form fluid-filled sacs or passages that drain fluid on the neck surface. These ...

In Dr. Pimple Popper's new Instagram video, she takes on a cyst that could be holding the apocalypse. She uses an incision and drainage technique to relieve the pressure and release all the liquid ...