Red spots on the skin after drinking alcohol may be caused by alcohol allergy, need to avoid drinking alcohol again, can take oral antihistamines to improve the symptoms. Red spots on the skin after drinking alcohol may be an allergic reaction after drinking or coming into contact with alcohol, manifested by red spots on the skin, itching and other symptoms. In severe cases, breathing difficulties and anaphylactic shock may occur. Therefore, if you have an allergic reaction to alcohol, you should avoid drinking or touching alcohol in the first place. Most people have mild symptoms, and as the alcohol is metabolized in the body, the red spots will gradually subside without serious consequences. If the allergic reaction is more serious and the itching is significant, it is necessary to take oral anti-allergy drugs, such as loratadine tablets. For the emergence of laryngeal edema, respiratory difficulties, first aid treatment should be carried out, intramuscular injection of epinephrine and other medications. If the red spots on the skin after drinking and the symptoms are more serious, you should consult a doctor in time and follow the doctor’s instructions for medication.