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 ...

Armpit pain from pull-ups may be due to muscle injuries in your teres major and latissimus dorsi muscles. Here’s how to ...

Medically reviewed by Jane Kim, MD You may have swollen armpit lumps due to infections, cysts, or vaccines.In severe cases, ...