Re: Does toprol XL have a build up effect
I think your body will gradually get used to the Toprol but this usually happens very slowly over a period of months and years.
How long have you been taking it?
Do you know what your heart rate was before and after you started taking it.
I did notice when I was on Toprol it allowed my heart rate to come up when I was up moving around or exercising as compared to Atenolol. I have been on Atenolol almost 8 weeks and my rate runs about 52-57 BPM at rest and the most I can get it up so far is 10-15 beats more when walking If I try to do to much I get dizzy and sick.