I'm 45 years old male, from Nepal. I have replaced my valve with st. jude's valve at Apollo hospital Delhi, India. Since then I'm taking blood anticoagulants. At first Acitrom for more than 5 years and then Warfarin till now. I'm feeling some types of side effects of Warfarin now-a-days. So can it be lowered by taking acitrom instead of warfarin?