Underarm Pain: Causes, Symptoms & When to See a Doctor

Question
For about 3 days, I have had severe underarm pain right where the arm meets the body.  It feels like when I put my arm against my body there is a golf ball.  It really hurts any suggestions?  

Answer
Sounds like you have an infection in the lymph nodes there.  I'd go to the doc and get it checked out asap.  There are some aggressive types of cancer, I don't want to scare you, but it needs to be checked out.
Maggie Smith, RN, MSN -- Community Health