Drinking alcohol while taking Clarithromycin may increase the risk of gastrointestinal adverse reactions, such as nausea, abdominal pain, vomiting, diarrhea, epigastric fullness, etc. Clarithromycin is metabolized by the liver, and if alcohol is consumed at the same time, it will increase the burden of liver metabolism, and in serious cases, it may even lead to elevated transaminases, jaundice or hepatocellular cholestatic hepatitis, etc. Therefore, it is necessary to strictly abstain from alcohol while taking clarithromycin. In addition, the use of clarithromycin may also damage the taste buds, leading to taste changes, loss of taste, or even tongue inflammation, oral candidiasis, etc. If alcohol is consumed, the risk of these complications increases. Therefore, it is best to strictly abstain from alcohol during the use of clarithromycin, an antibiotic that can be used clinically for respiratory tract infections caused by a variety of sensitive bacteria, skin and soft tissue infections, etc.