There are immediate and extended-release preparations available orally. Metoprolol is also used to lower your risk of death or needing to be hospitalized for heart failure
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The onset of action for oral immediate-release tablets is within 1 hour, with a duration of effect variable depending on the dose
com on February 17, 2020 Boxed Warning Dosage Forms Pharmacology Pharmacokinetics Specific Populations Use:
You usually take metoprolol tartrate
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Extended-release metoprolol succinate 200 mg once daily produced a larger effect on suppression of exercise-induced and Holter-monitored heart rate over 24