Armpit lumps are a common response to infections and vaccines, but they can sometimes be a sign of more serious ...

The video begins with Dr. Pimple Popper surveying the cyst. "It's ready," the doctor says. "It's looking at us right away." Her patient is more than ready, too. She tells Dr. Pimple Popper she has ...

Breast cancer may cause warning signs beyond a lump or pain. Skin, nipple, breast shape and lymph node changes can signal the ...

People with underarm hidradenitis suppurativa often develop armpit abscesses, painful lumps under the skin that are filled with pus. Usually caused by a bacterial infection, they can appear red and ...