Cold urticaria

Cold Urticaria (essentially meaning "cold hives") is an allergy where hives (urticaria) or large red welts form on the skin after exposure to a cold stimulus.

Cold urticaria occurs with sudden drop in temperature such as on exposure to cold wind, jumping into cold water, or handling ice or snow. It occurs in two forms: - ...

Cold urticaria
Cold urticaria is a relatively uncommon condition. An urticarial rash develops after being exposed to cold, including rain, cold winds and cold water.

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(See "Cold urticaria".)
Changes in body temperature or sweating: These hives are often tiny and numerous and appear on reddened skin.
Vibration: Palms may become red, swollen, and itchy after holding onto the steering wheel of a car while driving.

Other common physical urticarias are cold urticaria, cholinergic urticaria and solar urticaria. Cold urticaria can be tested by appliing ice to the skin.

Other injuries due to cold hands or feet are pernio, Raynaud's syndrome, cryoglobulin formation, and cold urticaria.
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Physical Urticaria
Aquagenic Urticaria
Cholinergic Urticaria
Cold-Induced Urticaria (cold urticaria)
Dermographism (symptomatic dermographism)
Delayed Pressure Urticaria
Exercise-Induced Anaphylaxis ...

cold hypersensitivity
familial cold-induced autoinflammatory syndrome
familial cold urticaria
FCAS
FCU ...

Other, less common physical urticaria includes "cold urticaria" from exposure to cold and "solar urticaria" from sun exposure. A condition related to urticaria that is sometimes associated with it is "angioedema.

See also: Urticaria, Fever, Allergy, Rheum, Lupus