get help right away for unexpected bleeding, unusual bruising or tingling. if you have had spinal anesthesia while on xarelto watch for back pain or any nerve or muscle related signs or symptoms. do not take xarelto if you have an artificial heart valve or abnormal bleeding. tell your doctor before all planned medical or dental procedures. before starting xarelto tell your doctor about any conditions, such as kidney, liver or bleeding problems. to help protect yourself from a stroke, ask your doctor about xarelto. there's more to know. xarelto. seconds can mean the difference between life and death. for partners in health, time is life. we have 18,000 people around the world. the microsoft cloud helps our entire staff stay connected and work together in real time to help those that need it. the ability to collaborate changes how we work. what we do together changes how we live.