This registry is a place to share positive or negative side effects of using Toprol-XL. If you directly experienced a side effect while using Toprol-XL, then we encourage you to enter it here. Please note that entries here are the experiences of individual users, and in no way means that you or anyone else will experience the same side effect, since the same medication affects people in different ways. Please always contact your physician.
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May 6th
2006
9:30 AM
I had been taking 50MG of Toprol for approx 1 yr with no apparent side effects. A few months ago, I went through a Cox-Maze open heart procedure when my dosage was doubled to 100MG to help reduce my elevated heart rate of 120-140 BPM. My heart rate continued to remain high and I had a very pronounced shortness of breath, went to the ER where I was found to have fluid around my heart/lungs. After being treated with diuretics and a couple additional medications, the heart rate continued to remain high so my dose of Toprol was doubled to 200 MG....since that time, I have noticed increased muscle weakness, fatigue, and have almost passed out several times. It is a very scary and insecure feeling not being able to go anywhere or do anything in fear of passing out.
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