Cold Urticaria (cold hives) is a red welts and large, on the skin after exposure to a cold stimulus. Cold urticaria is a type of allergy, in most cases, hives, swelling and often itching. Their size can range from the size of a pencil eraser to a size of a fifty cents or more. Elimination urticaria diet is one option of urticaria treatment. See cold urticaria pictures below:
Cold test is usually obtained to diagnose cold urticaria. During the cold test, usually for 2-3 minutes a piece of ice held in the forearm. A positive result is a mark in the forearm of the increased red hives.
photo 1 : beta.moneywebber.com
photo 1 : photobucket.com, Grump1