Blister when heated, accompanied by a very itchy feeling 1 2 seconds.

Don't burst the blister, it's easy to get infected.

The reply is for reference only and cannot replace the clinical diagnosis. Please go to the relevant hospital for final diagnosis:

Cholinergic urticaria is a kind of urticaria, and it is recommended to go to dermatology for treatment!

cholinergic urticaria

Cholinergic urticaria is a kind of rash that people often say. When you are hot, nervous, eating hot food or drink, or after exercise, your body temperature rises slightly. The heated blood flow stimulates the brain's thermoregulatory center, excites cholinergic nerves and releases acetylcholine. It is precisely because people are allergic to acetylcholine that we call the symptoms caused by allergies cholinergic urticaria.

Symptomatic characteristics of cholinergic urticaria

① There will be no rash, but you obviously feel acupuncture and itching.

② It mostly happens in youth, usually after encountering high temperature (hot drinks, hot baths), emotional excitement and exercise. When you stop exercising or calm down, the symptoms will subside. In severe cases, symptoms may take months or years to completely subside.

(3) Red wind masses of about 2 mm often appear on the skin of the trunk and proximal limbs (except armpits, palms and soles), which come and go quickly and leave no trace. Severe cases may be accompanied by digestive tract symptoms, such as abdominal pain and diarrhea.

Most of them occur in youth, and appear after encountering heat (hot drinks, hot baths), emotional excitement and exercise. The rash is characterized by a small wind mass of 1~3 mm, with redness around it, mostly at the proximal end of trunk and limbs, fatigue and itching. Some patients have digestive tract symptoms, such as abdominal pain and diarrhea.