Health on MSN

What's the difference between a boil and a cyst?

Medically reviewed by Susan Bard, MD Boils are painful, pus-filled, and are caused by infections like Staphylococcus ...
Rolling Out

Cause of armpit boil and how to prevent it from coming back

That tender, angry bump in your armpit started as a tiny annoyance. Now it’s a throbbing, painful mess that makes putting on deodorant feel like torture. If you’ve dealt with armpit boils, you know ...