Vital
It is possible that the major title of the rating Urticaria, Cold is not the name you expected

Disorder Communities

• Urticaria Idiopathic Cold (Familial or Acquired)
• Key Idiopathic Cold Urticaria

General Discussion
Cold urticaria is a persistent, reactive skin disorder. It is most likely the most typical form of physical urticaria (hives). Significant signs and symptoms may consist of irregular reddening of the skin (erythema), hives and itching after direct exposure of the skin to cool temperature levels.

There are two forms of the condition: necessary (obtained) cool urticaria, and familial (genetic) cool urticaria. The signs of the gotten type become obvious in two to five minutes after direct exposure to the activating compound or scenario, while it takes 24 to 48 hours for signs of familial chilly urticaria to appear. Also, signs and symptoms have the tendency to last much longer with the familial kind, usually concerning 24 hours although they could continue to be for as long as 2 Days. With the acquired kind, signs often last for one to 2 hrs.