Medically reviewed by Theresa Marko, PT, DPT, MS Key Takeaways Armpit pain can appear with symptoms like tenderness, swelling, and redness. Causes include injuries, infections, or swollen lymph nodes; ...

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 ...

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 ...

Itchy, irritated armpits? You're not alone. It's a complaint that dermatologists hear often. That's because the armpit, also known as the axilla, is notoriously prone to irritation and other issues.