How is cholinergic urticaria caused?

First of all, a concept mentioned in the treatment is that cholinergic urticaria is a special type of urticaria, which is caused by various factors in vivo and in vitro. The allergic manifestation caused by excessive choline secretion has many causes, such as excessive exercise, such as sports activities. Playing football or running or various sports activities can also cause it. Then there are some people who overeat and eat some high protein or all kinds of shrimp, crab, seafood, and some people are emotional or nervous, some see a lot of patients in the college entrance examination and high school entrance examination or work very busy in some cases, in fact, very depressed conditions can also cause choline release to cause urticaria, so there are many reasons for cholinergic urticaria.