Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
• In order for your physician to determine the correct dose of Warfarin, it will be necessary to have blood tests. The Prothrombin time (PT) test is used to calculate your International Normalized Ratio (INR). Your INR will help your physician determine how fast your blood is clotting and whether your medication dose needs to be changed.
