Clindamycin is likely to cause stomach pain, vomiting, diarrhea, abdominal pain and other symptoms after use, and this drug also has some damage to liver and kidney function. If the drug is used in large doses for a long time, it may lead to abnormal liver and kidney functions. In blood tests, eosinophilia may also occur, and in some patients, long-term use may cause physical weakness, mental lethargy and drowsiness, etc. For safety reasons, it is important to observe these adverse reactions and discontinue the drug in a timely manner if they are aggravated.