http://www.medications.com/effect/view/31735 I've booen on 100 mmg of toprol for over ten years. Have all the side effects including tinnitus and impotence. Last week for chest pain spent the night at the er , three blood tests, three ekgs, a stellar stress test and echo. All normal and still the sens Sun, 29 Jun 2008 18:45:45 -0400 http://www.medications.com/effect/view/31735?item=9636 Hi, I'm really sorry for your problem. I wish I knew exactly what would help us because I seem to be developing a similar problem. I would like to mention that maybe you have built a tolerance to the dosage you've been taking so long, therefore it coul http://www.medications.com/effect/view/31735?item=9636