Phenformin Granules is a compound preparation, drinking alcohol after taking Phenformin Granules can promote the enhancement of antihistamine efficacy, so patients are not recommended to drink alcohol after taking this drug. Phenformin granules is a kind of antipyretic and analgesic drugs, its main ingredients are aminopyrine, acetaminophen, caffeine, chlorpheniramine maleate and so on, used for the treatment of colds, fever, headache, neuralgia and rheumatic pain and other diseases. Drinking alcohol after taking Phenformin Granules can promote the enhancement of antihistamine efficacy. Drinking alcohol after taking medication may irritate the gastrointestinal tract, resulting in stomach pain, nausea, vomiting, abdominal pain, diarrhea and other symptoms, so it is not recommended for patients to drink alcohol during the administration of the drug. People who are allergic to the ingredients of Phenol Amino Carmine Granules, gastric ulcers, newborns or preterm infants should be prohibited from taking this drug. It is recommended that patients strictly follow the doctor’s instructions to use the drug, do not change the dose of the drug without authorization or abuse the drug, so as not to cause adverse reactions.