This means it reduces allergic reaction symptoms by limiting the ... Although it’s effective for allergies, hay fever, and hives, Benadryl isn’t effective at treating eczema.

Hives, also known as urticaria, are raised, itchy welts on your skin that occur due to an allergen. The reaction is ...

"While it is not a true allergy, cold urticaria is often referred to in everyday language as an allergic reaction to cold. "It is a rare condition that results in rashes or hives." ...