Causes of Cholinergic Urticaria
Jun 01, 2022
Source: Cainiu Health
Dr. Liu Wan
Introduction
Cholinergic urticaria is caused by a deficiency of antibodies that break down acetylcholine in the body. Following physical exercise, fever, or emotional excitement, patients develop skin manifestations—including erythema, wheals, and pruritus—which represent a series of physiological responses and are non-infectious. With appropriate treatment, recovery typically occurs within approximately one month. During this period, patients should consume bland foods, maintain skin cleanliness, and avoid using strongly alkaline soaps for cleansing.
Urticaria is also a very common skin disorder. Some patients develop cholinergic urticaria, yet remain unfamiliar with this condition. So, what causes cholinergic urticaria?
Cause of Cholinergic Urticaria
Cholinergic urticaria results from a deficiency of antibodies that break down acetylcholine in the body. Following physical exertion, fever, or heightened emotional states, patients may develop skin manifestations—including erythematous macules, wheals, and pruritus—as part of a series of physiological responses. This condition is non-infectious and typically resolves within approximately one month with appropriate treatment. During this period, patients should consume bland foods, maintain skin cleanliness, and avoid strongly alkaline soaps.
During active episodes of cholinergic urticaria, pharmacologic therapy—primarily antihistamines—may be used to control allergic symptoms; however, daily self-care remains critically important. Diet plays a significant role in urticaria development, and certain foods may act as triggers. For instance, canned foods, pickled vegetables, and beverages containing fish or shellfish, artificial food colorings, preservatives, or yeasts may provoke urticarial reactions. Additionally, highly acidic or otherwise irritating foods can impair gastrointestinal digestive function, leading to prolonged retention of food residues in the intestines. This may result in increased production of peptones and polypeptides, thereby elevating the risk of allergic reactions.
Therefore, upon onset of such symptoms, individuals should make appropriate lifestyle adjustments—opting primarily for bland, non-irritating foods—and maintain rigorous personal hygiene while avoiding known allergens. In severe cases, medical consultation and professional treatment at a hospital are strongly recommended. We hope this article has been helpful to you!
