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.

Sinusitis, also known as a sinus infection, can cause symptoms such as facial pain, congestion, and headache. Learn about the causes, duration, and treatment options for sinusitis in this ...

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

Bartholin's cysts are not uncommon, affecting about 2 percent of all women at some time in their lives. They are most common in a woman's 20s to 30s, although they can occur later as well.