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 ...

Boils are painful, pus-filled, and are caused by infections like Staphylococcus aureus. Cysts are painless, non-infectious growths filled with keratin or other substances. Antibiotics may treat boils ...

Sebaceous cysts are benign, fluid-filled bumps beneath the skin. Although some people seek sebaceous cyst removal for cosmetic purposes, the lesions do not typically cause health problems or require ...

What causes an inclusion cyst to come to a head and rupture, and what effect does this have?—JUDIE HARTLEY, CRNP, BSN, Warren, Ohio An epidermal inclusion cyst or epidermoid cyst is lined with ...