This NCLEX review will help you learn about standard precautions and isolation precautions. Standard and isolation precautions are steps we follow to prevent the transmission of infection diseases. Warfarin side effects are dangerous and put you at risk of heavy bleeding. Learn more about what to watch for and how you can prevent side effects from occurring. Warfarin has a narrow therapeutic range and care is required with all concomitant therapy. The individual product information for any new concomitant therapy should be consulted for specific guidance on warfarin dose adjustment and therapeutic monitoring. Warfarin is used to prevent blood clots from forming or growing larger in your blood and blood vessels. It is prescribed for people with certain types of irregular heartbeat, people with prosthetic (replacement or mechanical) heart valves, and people who have suffered a heart attack. DESCRIPTION. COUMADIN (warfarin sodium) tablets and COUMADIN (warfarin sodium) for injection contain warfarin sodium, an anticoagulant that acts by inhibiting vitamin K⌈dependent coagulation factors. Isolation precautions quiz for the NCLEX exam. In nursing school and on the NCLEX exam, you will need to know about infection control. These steps are not only for protecting your patients but yourself from infection. Most adverse events reported with warfarin are a result of over anticoagulation therefore it is important that the need for therapy is reviewed on a regular basis and therapy discontinued when no longer required. Warfarin sodium tablets are indicated for: Prophylaxis and treatment of venous thrombosis and its extension, pulmonary embolism (PE). Prophylaxis and treatment of thromboembolic complications associated with atrial fibrillation (AF) and/or cardiac valve replacement. Detailed drug Information for warfarin. Includes common brand names, drug descriptions, warnings, side effects and dosing information. Warfarin oral tablet is a prescription medication used to treat and prevent blood clots in the heart, lower body, and lungs. It's available as a generic drug and as the brand-name drugs Coumadin.