Medically reviewed by Susan Bard, MD A rash under the breast often results from heat, moisture, eczema, allergies, fungal ...

Rashes on the body can be both uncomfortable and concerning, affecting people of all ages and backgrounds. These skin irritations may range from mild to severe, causing symptoms like redness, itching, ...

That angry cluster of itchy red bumps might be more than just an annoying skin condition. While many skin irritations represent harmless reactions to environmental triggers, some persistent or unusual ...

When a blotchy red rash pops up on your skin, it's not easy to know exactly what the cause is. With thousands of skin diseases to choose from, deciphering your skin can be a challenge. But with skin ...

When Nicole Villagran signed up to do her first Tough Mudder course, she thought she’d be getting an entertaining, if messy, workout. She got that — and much more. Villagran has spent the last 10 days ...

Skin conditions can be hard to identify. Is it dermatitis or hives? A breakout or an infection? Because rashes may need to be treated a certain way, if you don’t know what you have, you may ...

But there’s one side effect that’s well established but little known and still puzzling to doctors: the “keto rash” or prurigo pigmentosa. This rash fits the man’s case perfectly—red, raised, itchy ...

California health officials have issued an advisory after several people who participated in a Tough Mudder race last weekend got sick. Nearly two dozen people who ran in the Tough Mudder challenge at ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Picture this: You’re going about your day, when all of a sudden you spot a red, splotchy rash on your ...