What Causes Cold Urticaria?

The pathogenesis of cold urticaria remains unclear, and the underlying causes vary among different subtypes. So, what causes cold urticaria?

Causes of Cold Urticaria

Cold urticaria can occur at any age. As the name suggests, exposure to cold is the triggering condition. During winter, patients may develop wheals (hives) on skin exposed to cold wind. Some patients develop localized wheals—and accompanying pruritus—upon contact with cold water or cold objects.

Compared with other groups, young women are more susceptible to cold urticaria. Following exposure to causative cold triggers, patients develop wheals; many also experience headaches. In severe cases, cold-induced systemic reactions may lead to hypotension, syncope, or even anaphylactic shock. The degree of harm posed by cold urticaria varies significantly depending on individual constitution and disease severity—it may be minimal in some cases, while potentially life-threatening in others.

Poor constitutional health is considered a contributing factor. In daily life, pay attention to dietary habits: consume fresh fruits and vegetables regularly, and avoid foods containing artificial additives or excessive oils. Also, take care to avoid known allergens and consider appropriate use of immunomodulatory agents under medical guidance. We hope this information is helpful to you!