Metoprolol is available in several forms with the following active ingredients: Immediate-release oral (taken by mouth) tablet: Metoprolol tartrate Extended-release oral tablet: Metoprolol ...

Hepatic impairment: see Adult and Children Dosage. Renal impairment (CrCl ... by CYP2D6 or other centrally-acting drugs. Increases metoprolol levels. The mechanism of antidepressant action ...