I am using tab, ganaton 50 twice a day . and tab. Losarton once a day since last 6 months in addition to my cardiac medicines. For the last 2-3 months I am feeling weak and the weakness is increasing day by day and I have stomach upset also. I had myocardial infarction in 1993 and bypass surgery was done in 1993 with 5 grafts. 4 from the saphenous vain and 1 from the internal mammary artery. then again I had redo by pass surgery in january 2010 with 3 arterial grafts as the angio gramme showed all the 4 previous veinous grafts 100% blocked and the arterial graft was patent .In feb 2016 I had the angio gramme done which showed all the 3 arterial grafts of 2010 and 1 of 1993 100% patent. I am on cardiac medicines.tab Clopigrel 1 daily. Pradoxa as I have atreial fibrillation, metopronol xl 25mg., nitro contin twice, dytor once. flavidon mr.35 twice daily, As I am diabetic I am using glycephage 1gm twice a day voglitor once a day, I would like to know why am I getting weakness and stomach upset. Is it because of these two new drugs? Thanking you JAIKUMAR