I was recently diagnosed as having a blockage in my heart my dr put me on metoprolol succ er 25 mg, tricor 145 mg and crestor 19 mg. Ive been on them for about 3-4 months I'm experiencing weakness is this a side effect of the meds. I will go back to the doc and complaint however I was just wondering if the medication is the especially the metoprolol is the reason