Posted 9/19/2007 5:26 AM (GMT -7)
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I was just switched from Toprol XL to the new generic metroprolol succinate. My heart rate has been rising in the evenings, and I am getting more PVC/Pacs than ususal. I found the following thread while searching about the generic version. Thought you might want to read it --- if you are taking this med and it doesn't seem to be working - might be worth talking to your pharmarcy or dr. about it.