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 ...

Dr. Pimple Popper removed five pilar cysts from one man's scalp in one sitting. The celebrity dermatologist was able to pull out each cyst easily with tweezers. Pilar cysts usually grow on the scalp ...

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 ...

An infected ingrown hair — also known as folliculitis — typically looks like a bump, a hard lump, or a cyst under the skin. It may contain pus. You can usually treat them at home. An infected ingrown ...

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