I am taking Bisoprolol/Hctz 5mg/6.25, Amlodipine Besylate 2.5mg and multiple vitamins. One or a combination of something is causing an attack on my muscles. I can hardly lift my arms or comfortably sleep on them in bed. I feel as though something is causing them to dissolve. I am only 59 years old and fully employed. Something odd ball is going on!