Cysts (fluid-filled tissue pockets), infections, and swollen lymph nodes commonly cause armpit lumps. You may see a healthcare provider if you have an unexplained, hard lump in your armpit that's ...

In Dr. Pimple Popper's new Instagram video, she helps a patient with a cyst hiding out in the armpit. The contents of the cyst are slick, buttery, and so satisfying to watch with a piece of "garlic ...

Medically reviewed by Kashif J. Piracha, MD Armpit pain can have many causes, ranging from injuries and irritants to infections that cause swollen lymph nodes. Less commonly, the pain—referred ...

Right-side pain under the armpit may be due to muscle strain, infections, or skin conditions. Sometimes, it may indicate a more serious issue. Read more here.

Dr. Pimple Popper, a.k.a. dermatologist Sandra Lee, MD, has popped big cysts and little cysts, armpit cysts and eyeball cysts. But TBH, she seems pretty damn fond of the petite superficial chest ...