Goosebumps and itching after drinking alcohol could be a skin reaction triggered by an alcohol allergy. Itchy bumps after drinking alcohol may be an alcohol allergy. Alcohol allergy patients often lack the enzyme acetaldehyde converting enzyme that converts acetaldehyde to acetic acid. When alcohol is ingested, an allergic reaction may be triggered, resulting in erythema, pimples, itching and other symptoms on the skin surface. Alcohol allergy is divided into late-onset and rapid-onset two kinds, late-onset alcohol allergy patients usually appear itching, goose bumps phenomenon, no other uncomfortable symptoms, and rapid-onset alcohol allergy, will induce laryngeal edema, serious cases can lead to breathing difficulties, and even anaphylactic shock, if the rescue is not in time may lead to death. After drinking pimples on the body and itchy, when the symptoms continue not to ease the suggestion of timely access to the hospital, follow the doctor’s instructions for treatment.