Generically named as Clopidogrel Hydrogen Sulfate, there is no best time to take Polivir. It can be taken at regular intervals throughout the day, with or without food, but you need to ensure that you take your dose. The active ingredient in clopidogrel bisulfate is clopidogrel. Clopidogrel is an antiplatelet aggregation drug that is mainly used to prevent atherosclerotic thrombosis. The drug is usually taken once a day continuously, unless otherwise prescribed, and regular dosing is recommended. Absorption and bioavailability of the drug are less affected by diet and can be taken at any time. When taking clopidogrel bisulfate, you need to be aware of abnormal hematomas on the surface of the body and abnormal bleeding in the body, and in the event of serious adverse reactions such as intracranial hemorrhage and gastrointestinal bleeding, you need to stop the drug immediately and seek medical attention. Clopidogrel bisulfate is contraindicated for drug hypersensitivity, severe hepatic impairment, active pathological bleeding such as cerebral hemorrhage or gastrointestinal hemorrhage, lactation and women in pregnancy. Clopidogrel bisulfate should be used under the guidance of a clinician, and it is recommended to consult a doctor promptly if discomfort occurs during the use of the drug.