You can’t take antibiotics after drinking a little alcohol. If you take antibiotics after drinking alcohol, some drug components react with alcohol, which not only reduces the effectiveness of the drug, but also may lead to poisoning, causing drug hepatitis, acute renal insufficiency, etc., and in serious cases, it can be life-threatening. For example, cephalosporins, will produce a disulfiram-like reaction with alcohol, mild rash, itching and other symptoms, and in severe cases can lead to chest tightness, dyspnea, shock and so on. Therefore, even if you drink a little alcohol, you should not take antibiotics, so as not to aggravate the burden on the liver and kidneys and cause serious toxic reactions. During the period of taking antibiotic treatment, you must strictly follow the doctor’s instructions to take medication, pay attention to the contraindications during the medication, and never drink alcohol. Diet should also pay attention to, to light food is appropriate, eat more fresh vegetables, fruits, etc., to help the recovery of the disease.