Mechanical valve replacement forget to take warfarin if there is no discomfort, stop taking the drug for a short time, no special treatment, the impact is relatively small, but to pay attention to, take the drug on time, if there is dizziness, chest tightness and other symptoms of discomfort, if the stop taking the drug for a long time, may lead to thrombosis, you need to consult a doctor in a timely manner. Mechanical valve replacement forget to take warfarin once or a few days will not have a great impact, need to be more careful in the future, take the drug on a regular basis, mechanical valve replacement needs to be used for a long time to prevent thrombosis after warfarin, must be actively anticoagulant therapy, otherwise there will be thrombosis and other life-threatening, patients taking warfarin need to go to the hospital for regular review. If you forget to take warfarin for too long, and also some uncomfortable symptoms, such as chest tightness, etc., you need to consult a doctor in time to clarify whether there is thrombosis, and timely treatment. Mechanical valve replacement requires long-term use of warfarin and regular review to avoid the emergence of blood clots leading to deterioration of the situation. If there is any discomfort, consult a doctor in time, follow the doctor’s instructions to adhere to the medication, do not stop taking the medicine.