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A member asked:
I am taking metoprolol succinate er 50 mg twice a day. it is now more expensive. is it ok to ask dr for metoprolol tartrate 50 mg twice a day? equal?
4 doctors weighed in across 2 answers
One is longer acting: The metoprolol you are taking, metoprolol succinate is longer acting and is considered an extended-release version. Often only once a day dosing is required, so you may have not needed it twice a day. The metoprolol tartrate definitely requires at least twice a day dosing. But your doctor and pharmacist can recommend the proper adjustments and the results for you will be equivalent. Good wishes
Answered 7/15/2017
3.1k views
No: As you have noted succinate er (extended release) gives better 24 hours coverage of BP control because of pharmacokinetics versus tartarate. Further if you are on it for heart failure, the studies were with er not tartarate.
Answered 12/22/2020
3.1k views
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