Precautions for taking “Warfarin” 1. There is a potential risk of bleeding when taking Warfarin, so patients must take the medication in the exact dosage prescribed by their doctor. 2, it is recommended to eat small amounts of food rich in “vitamin K” (spinach, onion, tea, watercress, pork, dairy products, broccoli, white radish, bean sprouts, soy products, garlic, ginkgo, cucumber, cabbage, rapeseed oil, green mustard, olive oil, pistachios), excessive consumption may reduce the effectiveness of warfarin. 3.Try not to drink alcohol while taking the drug. 4.Avoid intramuscular injections and activities that may cause injuries as much as possible. 5.Surgical procedures should be avoided during anticoagulation therapy. If other surgeries are to be performed, the medication must be stopped for one week. 6, when discharged from the hospital according to the physician’s request for timely follow-up, try to monitor the coagulation set, monitor PT, APTT, INR and other values, to control INR between 2-3. In older patients, INR should be controlled at 2-2.5. 7, precautions, if in the process of oral warfarin the following phenomena occur, it is recommended to immediately stop the drug, and contact a specialist, blood in the urine, bleeding gums, bleeding eyes, blood in the stool, etc.