Armpit pain can be caused by many issues, from muscle strains to swollen lymph nodes. Here are possible causes of underarm pain and when to see a doctor.

There are several nerves that run through the armpit, which help provide sensation and allow movement of the upper arm. Nerve pain is usually radiating, or travels from the armpit to another part ...

There are several nerves that run through the armpit, which help provide sensation and allow movement of the upper arm. Nerve pain is usually radiating, or travels from the armpit to another part ...