From muscle strains, bacterial and viral infections, and skin rashes, here are 9 possible causes of armpit pain and when to ...

The lymph nodes are small glands that are part ... such as a shoulder dislocation, can also lead to pain and swelling in the armpit. As the injury heals, the swelling typically goes away.

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 ...