In winter, when the body is hot and meets cold air, the head is particularly itchy, accompanied by acne, and then dizziness and shock occur. What kind of disease is this?

Cholinergic urticaria has the following characteristics: 1, the rash may not appear, but there are obvious 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. The skin around the trunk and limbs (except armpits, palms and soles) often has a red wind mass of about 2 mm, which comes and goes quickly and leaves 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.

Treatment:

1, pay attention to diet and avoid irritation. The incidence of urticaria has a certain relationship with diet, and some foods may be the cause. For example, fish, shrimp, seafood, canned food containing artificial additives such as artificial pigments, preservatives and yeast, pickled food and beverages can all induce urticaria. In addition, irritating foods such as too hot and sour will also reduce the digestive function of the gastrointestinal tract, making food residues stay in the intestine for too long, thus producing peptones and peptides, increasing the probability of human allergies.

2. In addition to conventional antihistamines, there are atropine, propofol and reserpine. Often added to obtain satisfactory results.