Armpit pain can also be caused by acute injuries to muscles or ligaments during ... you can feel more pain in the chest area or under the arm," says O'Hare. Pain often occurs in both armpits ...

Risk factors include: Rotator cuff injuries primarily affect the shoulder but can cause referred pain in the bicep area. The ...

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