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 ...

Bartholin cysts are common fluid-filled lumps that form near the opening of your vagina. When infected, they can become abscesses, which can have more severe symptoms and require different treatments.

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 ...

Oh, the joys of getting older: experience, wisdom, perspective – and swollen, painful joints. A Baker’s cyst, a fluid-filled sac that causes a feeling of tightness behind the knee, can be a reminder ...

After sitting for a long time, you notice one leg is swollen and your calf is painful. Should you go to the ER? Emergency physician Jeffrey Druck, MD, says the risk of a blood clot in your leg from ...