Boys sweating skin stinging itch may be cholinergic urticaria caused by the use of olopatadine, glycerite lotion and other drugs for treatment. 1. Cholinergic urticaria is a more specific type of urticaria, mostly seen in young patients. Factors such as high ambient temperatures or strenuous exercise put the body in a state of stress, and the body produces a large amount of acetylcholine, which induces cholinergic urticaria, resulting in edematous erythema, doughnuts and itchy skin and other symptoms. 2. You can follow the doctor’s instructions to use levocetirizine, olopatadine and other antihistamines, and at the same time, external glycerine lotion, etc., has the effect of stopping itching, eliminating redness and swelling, and anti-allergic. It is recommended that patients go to a regular hospital if necessary, clear diagnosis, treatment under the guidance of a professional doctor.