There are many causes of armpit pain, from a mild muscle strain to more serious conditions like breast cancer. Learn more about causes of armpit pain in this article.

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, but it can ...

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.

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.

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.

Causes of pain under the left armpit can range from minor skin infections to nerve damage. Learn about these and other causes, and when to see a doctor.

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 appearance with ...

Why does my armpit hurt? 9 common causes, according to doctors Armpit pain can be caused by many issues, from muscle strains to swollen lymph nodes. Here are possible causes of underarm pain and ...