What is Infartan? Infartan belongs to the group of anticoagulants, which work to prevent platelets and fibrin from clumping together. Infartan is prepared in the form of coated tablets, with the main ingredient being Clopidogrel. Infartan is often used in cases of stroke, myocardial infarction, atherosclerosis, etc. This is a prescription drug, so you should only use the drug when prescribed by your doctor.