Physical therapy treatments symptoms and conditions

I am 72 years old and in 1995 I had an artery blockage and had angioplasty.Upon my release from the hospital I was put on several prescriptions, beta blockers, cholesterol, Aspirin, Vitamins, etc. which I had been taking regularly for 13 years without any problems. In 2008 after having chest pain and going to the hospital my heart doctor advised me I had Atrial Defibrillation and put me on Warfarin and also told me to stop taking all the vitamins I was using along with my daily aspirin dose and one of my prescriptions. Since then I have had constant shoulder and muscle pain in my arm and leg. I have had several treatments by a chiropractor and several physical therapy treatments and the pain has not subsided. My memory has gotten worse also however I thought that was due to my age until I read some of the above side effects of Warfarin. I definitely have a lack of energy and also changed my diet due to the Warfarin. I have informed my heart doctor about the problems and he advised it is not due to the Warfarin. I don't agree with him after reading all the posts, but I am not a doctor. I will continue my prescribed dosage and Pt/Inr tests as schedule for a while, but if my pain etc doesn't get better I will probably do like the lady's posting and stop the warfarin on my own.