The danger of taking clopidogrel for a long time is the increased risk of bleeding, but you should not stop taking the drug on your own because of the danger. Clopidogrel is an antiplatelet aggregation drug, the main role is to prevent thrombosis, clinically used in the prevention and treatment of cardiovascular and cerebrovascular diseases. The risk of bleeding increases significantly during the use of clopidogrel, common gum bleeding, subcutaneous bleeding, gastrointestinal bleeding, nosebleeds, etc.; in addition to common diarrhea, abdominal pain and dyspepsia. Note that this drug should be contraindicated in the presence of hypersensitivity to any of the components of the product, active pathologic bleeding, as well as severe liver injury. Since clopidogrel can lead to an increased risk of bleeding, it should be used strictly under the supervision of a medical professional to avoid unauthorized dosage increases or decreases that can lead to serious complications and life-threatening conditions.