Muscle Strain It may seem odd to think “why does my armpit hurt,” but pain is pain, no matter where it is. And if you have pain in your armpit, you need to find out why so you can deal with it.

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

Muscle strain. Often, armpit pain is a simple case of a strained muscle. U.S. & World. News from around the country and around the globe. Social Security 1 hour ago ...

Right-side pain under the armpit may be due to muscle strain, infections, or skin conditions. Sometimes, it may indicate a more serious issue. Read more here.

Left armpit pain can occur with conditions like allergic reactions, infections, and muscle strain. Some severe causes may have additional symptoms, including a breast lump or difficulty breathing ...

There are several causes of pain in the breast and armpit. Some of the most common causes include hormonal changes, an ill-fitting bra, or a muscle strain. Share on Pinterest Yauheni Rak/Getty ...

Pain under the left armpit may result from muscle damage or swollen lymph nodes due to an infection. However, it can also indicate a more serious problem, such as cancer or angina. The armpit is a ...

MIAMI (AP) — The New York Mets placed Justin Verlander on the injured list with a strained upper back muscle on opening day, sidelining the reigning AL Cy Young Award winner before his first ...

Shortstop Bobby Crosby is not expected to miss significant time for the Oakland Athletics with a strained right triceps muscle, an injury he sustained in batting practice Friday before the A's ...

Muscle strain. Often, armpit pain is a simple case of a strained muscle. Health. Health 19 hours ago Even low doses of CBD may cause harm to the liver in some people, FDA study finds Trump ...