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 ...

Itchy armpits are a common nuisance. Dermatologists explain the potential causes of underarm itching and when to see a doctor.

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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 ...

Acne nodules are deep or “invisible” pimples that form under your skin. It’s important not to pick at or pop these pimples as it can make them worse. Here are 10 tips for treating nodular acne. Acne ...

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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 Images ...