Dealing with cystic acne can be painful and scarring — physically and mentally. Cystic acne gets its name from cysts, which are pus-filled pimples. They're typically large, painful and set deep in the ...

A cyst is a sac of tissue containing fluid or air that can form in many areas of the body. Cysts often do not need to be removed unless they are causing pain or other problems. There are several ...