Heat urticaria

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Heat urticaria
SymptomsStinging red skin following heat exposure[1]

Heat urticaria is a type of urticaria that presents with stinging red skin following intense heat exposure.[1] It typically occurs around five minutes after the skin has been exposed to a temperature above 43 °C (109 °F).[1] The skin appears burned, swollen, and indurated.[1] There may be associated weakness, cramps, watery mouth, flushing or collapse.[1]

Treatment may involve heat desensitisation.[1]

It is a rare type of urticaria.[1]

See also


  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 James, William D.; Elston, Dirk; Treat, James R.; Rosenbach, Misha A.; Neuhaus, Isaac (2020). "7. Erythema and urticaria". Andrews' Diseases of the Skin: Clinical Dermatology (13th ed.). Edinburgh: Elsevier. p. 152. ISBN 978-0-323-54753-6. Archived from the original on 2022-10-01. Retrieved 2022-10-01.

External links