30
Apr
Allergic Reaction Hives On Neck. Allergic reactions chemicals in foods insect stings sunlight and medicines can make your body release a chemical called histamine. If a cause can be found the most common cause is an infection. They happen when your body has an allergic reaction to an allergen a substance thats harmless to most people. Allergic reactions chemicals in foods insect stings sunlight exposure or medicines can cause histamine release.
They may range in size from as tiny as a pencil tip to as large as a dinner plate. Hives can be caused by almost anything but allergies are usually to blame. Hives may occur as a result of an allergic reaction. They appear as a type of very itchy raised welts from dime to half dollar sized. Taking amoxicillin or ampicillin in cases of epstein barr virus cases is also associated with a rash in larger number of patients. Hives and Angioedema form when in response to histamine blood plasma leaks out of small blood vessels in the skin.
They may range in size from as tiny as a pencil tip to as large as a dinner plate.
Hives also known as urticaria ur-tih-KAR-e-uh is a skin reaction that causes itchy welts which range in size from small spots to large blotches. Have you taken any antihistamine and. Taking amoxicillin or ampicillin in cases of epstein barr virus cases is also associated with a rash in larger number of patients. Hives can be caused by almost anything but allergies are usually to. Hives are raised red bumps welts or splotches on the skin. Allergic reactions chemicals in foods insect stings sunlight and medicines can make your body release a chemical called histamine.