"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There are few worse feelings than an itch you can’t scratch—especially when it’s unexplained and in an ...

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 ...

Medically reviewed by Theresa Marko, PT, DPT, MS Key Takeaways Armpit pain can come from injuries, infections, or swollen lymph nodes.  To diagnose armpit pain, doctors may use lab tests, physical ...

Medically reviewed by Brendan Camp, MD Key Takeaways Acanthosis nigricans can cause dark underarms and affects people with ...

The most you probably think about your armpits is when you’re in the shower or putting on deodorant in the morning. Sweaty armpits are one thing, but when your armpits itch, you can't stop thinking ...