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 ...

You should not try to remove a cyst on your own. Most cysts on the skin are harmless and resolve without treatment. But some cysts may require a medical diagnosis and treatment. Cysts are sacs that ...

The skin on the back of the neck by the hairline comes into contact with many things that can irritate it. As a result, lumps, bumps, and other skin concerns are relatively common here. A lump can be ...