I have treated many patients who are on anticoagulants, with fillers with the approval of their treating physicians. For those who take coumadin, we ensure that a recent blood test (INR) is checked and that the level of blood thinning is reasonable and not too high, before we do the injections of Juvederm, Restylane, Voluma, Vollure, Volbella, Belotero and others.The information provided in Dr. Shelton's answer is for educational purposes only and is not intended to constitute medical advice. The information provided should not be relied upon as a substitute for consultations with a qualified health professional who may be familiar with your individual medical needs.