Armpit pain is a common complaint that can have many causes, from mild muscle injuries to swollen lymph nodes and severe skin infections. In most cases, armpit pain isn't a reason to worry, but it can ...

Address abscesses. 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 ...

A skin abscess is a bump within or below the skin’s surface. It is usually full of pus, painful, and may feel thick and swollen. This is typically caused by a bacterial infection. A skin abscess may ...