If the allergy is caused by the consumption of large amounts of nuts and seafood, you need to avoid eating accordingly. If the allergy is caused by oral analgesics, birth control pills and other drugs, you need to avoid contact with these drugs, and if it is caused by cold stimulation, you need to keep warm and warm. In addition, oral medications need a full course of treatment, such as the application of Avastin capsules, fexofenadine hydrochloride tablets, which need to be combined with compound glycopyrrolate capsules to enhance anti-allergy treatment. After the rash subsides, it is better to apply the medication for another week to avoid the rash rebound and recurrence.