Generally speaking, penicillin v potassium tablets can drink alcohol after one week of taking them, but since drinking alcohol may affect the recovery of the condition, it is often recommended that patients drink alcohol after their condition has fully recovered. Penicillin v potassium tablet is a penicillin antibiotic, applicable to gonococcus, pneumococcus, sensitive staphylococcus and other germs caused by mild to moderate tonsillitis, scarlet fever, otitis media, bronchitis, pneumonia and other diseases. In the case of this medicine, alcohol can be consumed when the medication is thoroughly metabolized in the patient’s body, which is usually recommended after a week. However, because drinking alcohol during illness may cause gastrointestinal stimulation, not only may produce stomach bloating, heartburn, nausea, vomiting, diarrhea and other discomforts, but also may reduce gastrointestinal digestion and absorption function, affecting the absorption of penicillin v potassium tablets, so it is usually recommended that the patient wait until the condition has completely recovered before drinking alcohol. Penicillin v potassium tablets may cause side effects such as upper abdominal discomfort, diarrhea, nausea and vomiting, and black hairy tongue. Infectious mononucleosis, allergy to penicillin, and positive penicillin skin test are required to disable this drug. Pregnant women, lactating women, and those with a history of allergic diseases such as asthma, urticaria, eczema, hay fever, etc., need to use this drug with caution. Penicillin v potassium tablets are available as a prescription drug and must be used only under the direction of a physician.