Drinking alcohol is one of the triggers and aggravators of urticaria, not a cause of urticaria, and should be avoided if you have urticaria. The ethanol contained in alcohol can trigger hives or make hives worse, but there is no clear evidence that alcohol consumption is the cause of hives. In addition, there are many other causes that can cause urticaria, common causes are food, hepatitis virus, coxsackie virus and other infections, penicillin drugs, pollen, animal dander and other contacts, cold, heat, sunlight and other physical factors. Some diseases such as systemic lupus erythematosus, metabolic disorders, endocrine disorders, malignant tumors can also be associated with urticaria. Urticaria is prone to recurrent attacks, you can choose a regular hospital for diagnosis and treatment to control the symptoms as soon as possible.