Cholinergic urticaria
Cholinergic Urticaria
Cholinergic Urticaria (pronounced: koh-lin-er-jik ur-ti-kair-ee-uh), also known as heat hives, is a type of physical urticaria that is caused by a rise in body temperature. The term 'cholinergic' refers to acetylcholine, a neurotransmitter in the body that is responsible for the sweat gland function. 'Urticaria' is derived from the Latin word 'urtica', meaning 'nettle', and the suffix '-aria', meaning 'pertaining to'.
Causes
Cholinergic Urticaria is triggered by activities that increase the body's temperature, such as exercise, hot baths, or emotional stress. It is believed to be caused by the immune system's response to increased body temperature, with the release of histamine resulting in hives and itching.
Symptoms
The primary symptom of Cholinergic Urticaria is a rash that can appear anywhere on the body. This rash is typically characterized by small, itchy hives that can range in size. Other symptoms may include flushing, headache, and a sensation of warmth.
Treatment
Treatment for Cholinergic Urticaria typically involves avoiding triggers that increase body temperature. Medications such as antihistamines may also be used to manage symptoms. In severe cases, a doctor may prescribe other treatments such as immunotherapy or corticosteroids.
See Also
References
External links
- Medical encyclopedia article on Cholinergic urticaria
- Wikipedia's article - Cholinergic urticaria
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