http://www.medications.com/effect/view/29664 I have been taking Toprol-XL for a long time. I have recently been switched to the generic and it is not controlling my blood pressure as well and my heart is palpitating a lot. I think I had problems before with the brand name but this is far worse. Is Fri, 25 Apr 2008 20:14:12 -0400 http://www.medications.com/effect/view/29664?item=7627 59 year old male who had afib. ------------------------------------------ I've been taking Toprol and it's generics for about 8 months. I started at 50 mg and now take 25 mg at night. While I feel a lot better taking 25 mg than 50 mg, I still have the http://www.medications.com/effect/view/29664?item=7627