A patch of redness on the body after drinking alcohol allergy may be caused by physiological factors, alcohol allergy, acetaldehyde dehydrogenase deficiency, or other diseases.
1. Physiological factors: a patch of red on the body after drinking, may be too much alcohol, drinking blood circulation accelerated, capillary expansion, may lead to redness. It is recommended to reduce the number of drinking, if there are no other symptoms, usually do not need special treatment.
2. Alcohol allergy: There is no redness on the body before, but the redness of the skin after drinking alcohol is considered to be related to alcohol allergy. It is recommended to reduce the frequency of drinking or not to drink alcohol to avoid other conditions.
3. Acetaldehyde dehydrogenase deficiency: Redness after drinking alcohol is considered to be related to acetaldehyde dehydrogenase deficiency. After ethanol turns into acetaldehyde, it cannot be metabolized quickly, and the accumulation of acetaldehyde may lead to redness of the skin on the body. Some patients may have chest tightness, dyspnea, anaphylactic shock and other conditions of acetaldehyde poisoning.
4. Other diseases: if you have skin problems before, such as atopic dermatitis, urticaria, rash, purpura, systemic lupus erythematosus, etc., drinking alcohol may lead to the aggravation of the original disease, which may easily cause redness on the body.
To summarize, there are more reasons for redness after drinking. If it is caused by primary diseases, it is recommended to consult a doctor in time, but also for the treatment of primary diseases.