Medically reviewed by Susan Bard, MD Boils are painful, pus-filled, and are caused by infections like Staphylococcus ...

It often starts as a sore spot you assume is a zit, ingrown hair, or minor irritation. Then it gets worse. Sitting becomes ...

Cysts, abscesses and lipomas all have one common feature: they cause a lump or bump on the skin. All three are very common and I literally remove a hundred or more lipomas and sebaceous cysts a year.

In Dr. Pimple Popper's new Instagram video, she squeezed out a "painful" and infected cyst on her patient's back. Dr. Pimple Popper used her fingers to squeeze every last bit of oozing goo out of the ...

Ovarian cysts are usually not painful and will go away on their own. However, if a cyst is growing or you have multiple cysts you may have symptoms and need surgery. A ruptured cyst can cause severe ...

The belly button is home to many bacteria but can be overlooked when a person washes. Improper hygiene and cysts can cause the belly button to smell. The belly button or navel is a dip in the middle ...

CD8+ cytotoxic T lymphocytes can kill host cells infected with various microorganisms and single individual cancer cells through direct cell-to-cell contact, but their ability to destroy a target of ...