Related Questions

How do I get rid of cholinergic urticaria caused by heat?

Can be tough. Cholinergic urticaria is a type of hives brought on by heat inducing stimuli. Meaning, it causes small 2-3 mm hive-like bumps symmetrically on the body after something is done to increase the body's core temperature. Exercise, hot weather, spicy foods, and alcohol can all bring on an episode. See an allergist to help find an appropriate way to manage this challenging diagnosis. Options exist. Read more...
Avoid heat. The above answer may seem flippant but this is exactly what you can do to avoid it. Many people however have found that taking an antihistamine 1-2 hrs prior to exposure to heat may keep it under control. Read more...

How can I treat (cure) heat allergies (cholinergic urticaria)?

Antihistamines. Cholinergic urticaria (hives) is caused by increase in core body temperature with triggers like exercise with sweating, strong emotions, and bathing in hot water. Identify and avoid known triggers, avoid bathing in hot water and performing strenuous exercise during hot weather. Can take non-sedating antihistamines 1-2 times daily. Allergist can perform methacholine challenge in office to confirm. Read more...

"most people who experience chronic cholinergic urticaria experienced a stressful event one year before their first outbreak". Immunology explanation?

Not unnessarily. Cholinergic urticaria happens in some people after the core body temperature rises then cools down. It may happen with stress, exercise, or even after having taken a hot shower. The cause is unknown but it is speculated that this group of people have an overactive cholinergic system. Read more...