Clopidogrel can generally be taken for a long period of time, but it should be taken as prescribed by the doctor, not on its own. Clopidogrel is an anticoagulant used for recent myocardial infarction, recent ischemic stroke, ST-segment elevation acute coronary syndrome and other diseases. If it is used for the treatment of the above diseases, clopidogrel generally needs to be taken for a long time, clinical trial data support the use of the drug for 12 months, usually the best effect in about 3 months, but need to follow the doctor’s advice to take, avoid unauthorized use of the drug. Some patients may experience adverse reactions such as hematoma and nosebleed during the administration of clopidogrel, and some patients may experience thrombocytopenia and leukopenia. It is contraindicated for those who are allergic to the active substance of the product or any of the components of the product. If you need to take clopidogrel, you should go to the local regular hospital for detailed consultation and understanding of related matters.