A 27-year-old has been left unable to drink chilled beverages or exercise outdoors in winter after developing a rare cold ...

Food allergies occur when your body reacts to a food particle as if it were harmful. Even when you’re aware of a food allergy ...

Discover expert methods to identify, treat and prevent various types of skin rashes, from allergic reactions to chronic conditions like eczema and psoriasis.

CINCINNATI (WKRC) — As temperatures drop, some individuals may experience an unusual allergic reaction to the cold, known as cold-induced urticaria. Dr. Sandra Hong from the Cleveland Clinic ...

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 ...

Unlike allergic hives, chronic spontaneous urticaria (CSU) stems from immune system dysregulation and can persist for months or years, requiring ongoing management. Patients should understand that ...

One of the most common causes of hives or a rash is an allergic reaction. The skin can react to various allergens, including foods, medications and environmental factors. Hives may not always look ...

Xyzal (levocetirizine) and Zyrtec (cetirizine) are over-the-counter (OTC) allergy medications. Learn about their key ...

Yes, you read that right—cold weather can trigger an allergic reaction! "People can break out into hives or experience swelling when they’re exposed to colder temperatures," Dr. Hong explains.