With time, mucous cysts can weaken the overlying skin, allowing liquid to drain out but also allowing bacteria to enter the joint, sometimes resulting in a serious infection.

If the cyst becomes infected it must be drained or incised in order to heal. Although antibiotics may help to improve the infection, it will not resolve the infection without draining the cyst first.

Skin cysts, or sebaceous cysts, are fluid-filled lumps on the skin. In this article, learn about removal, causes, treatment options, and associated complications.

Kai Davidson required two surgeries to remove the cyst and the infection, which was causing it to double in size every day.