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 ...

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 ...

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 ...

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 ...

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 ...

The most common signs are hives or a flushed feeling. If that happens, they'll give you medicine to make you feel better. If you don't have a reaction, you can rule out an allergy to that food.

Discover the 7 common foods that could trigger serious health emergencies, from severe allergic reactions to dangerous ...