<unk>  urticaria, also known as<unk>  allergy or<unk>  hives, is when a person has an allergy to<unk>  temperatures.  A person who has<unk>  urticaria may experience redness, itching, swelling and hives on the skin when exposed to<unk>  temperatures or<unk>  water.  Individuals with this particular allergy may experience a severe reaction when swimming in<unk>  water.  The most extreme reactions may lead to fainting, shock or death.
Chronic cold urticaria
Chronic idiopathic urticaria
Dermatographic urticaria
Cholinergic urticaria
Contact Dermatitis
Contact dermatitis
Pemphigus vegetans
Eczema