Armpit rashes often develop due to allergic reactions, infections, and chronic conditions. Rashes are common under the arms because the skinfold creates a warm, moist environment. Additionally, the ...

Hives are itchy red or white bumps that often stem from an allergic reaction. Unlike some other rashes, hives are not contagious and are an allergic-type reaction. Hives and other rashes can become ...

Millions of people believe they can’t take the life-saving drug, but most can. An award-winning program is helping UVA ...

DEAR DR. ROACH: About 45 years ago, I came down with a rash on my chest and stomach from taking ampicillin. I was told never to take penicillin again. I’m allergic to many antibiotics, which makes ...

Hives aren’t just linked to insect bites. They can be triggered by food, medication, temperature changes, illness or stress.

Hives are a type of rash that results from an allergic reaction, insect bite, infection, and more. You can identify hives by pressing down on the bump — if it turns white, it's a hive. You should see ...

UPMC Children’s Community Pediatrics is seeing an increase in cases of viral upper respiratory infections and allergies. Pediatricians at Penn State Health Children’s Hospital are seeing flu, viral ...

How rashes and hives can point to hidden food allergies.

Hives usually aren’t a sign of a serious medical condition. But their sudden appearance may merit a trip to urgent care or the emergency room if they show up along with other symptoms. Hives are itchy ...

You’ve been itching to avoid this antibiotic — maybe for no reason. Penicillin was discovered in 1928 by a Scottish bacteriologist. The medication has since become a common treatment for a range of ...

Chlorine is an inorganic chemical that’s used to prevent the growth of microorganisms in the water in swimming pools and hot tubs. It’s usually added at extremely low concentrations to kill the ...