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 ...

September is Blood Cancer Awareness Month, which prioritizes focus on education, advocacy, research and support for patients.

Cysts (fluid-filled tissue pockets), infections, and swollen lymph nodes commonly cause armpit lumps. You may see a ...

Right-sided pain under the armpit may be due to muscle strain, infections, or skin conditions. Sometimes, armpit pain may indicate a more serious issue, such as cancer or a heart issue. The armpit ...