The weight gain is very real. Having heart problems and being hea...

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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