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Metoprolol succinate is an extended-release form of metoprolol. This means it is released into your body slowly and only needs to be taken once a day. Metoprolol tartrate, on the other hand, is available as an immediate-release tablet. It doesn’t stay in your body as long as metoprolol succinate does. Hence, multiple doses in a day may be required.
Information last updated by Dr. Varun Gupta, MD Pharmacology on 1st Dec 2017.