The correct name for warfarin is warfarin sodium tablets. Warfarin sodium inhibits vitamin K-dependent coagulation factor synthesis and is an anticoagulant. It is used for the prevention and treatment of deep vein thrombosis and pulmonary embolism, prevention of thromboembolic complications after myocardial infarction, cardiac valve disease or prosthetic valve replacement, and atrial fibrillation. Warfarin sodium tablets are contraindicated in a wide range of patients, including pregnancy and bleeding tendencies. Warfarin sodium tablets are contraindicated in patients with hypersensitivity to warfarin or its excipients, pregnancy, bleeding tendency, severe hepatic impairment or severe hypertension, tendency to fall, patients undergoing ocular surgery, infectious endocarditis, pericarditis or pericardial effusion, dementia, psychiatric disorders, alcoholism, and other conditions in which the patient is unable to satisfactorily comply with dosage instructions or to safely perform anticoagulation therapy. Warfarin Sodium Tablets may be taken with adverse reactions such as bleeding, purple toe syndrome, nausea and vomiting, diarrhea, rash, allergic reactions, abnormal penile erection or tracheal calcification. If you need to use this drug, please consult a professional doctor, follow the doctor’s instructions, and use the drug reasonably.