Metoprolol Succinate Er has 11 known drug interactions based on U.S. FDA drug labeling data. 6 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Clonidine, Digitalis Glycosides, Diltiazem. Patients taking Metoprolol Succinate Er should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.
- Total
- 11
- Major
- 6
- Moderate
- 5
Major (6)
- Metoprolol Succinate Er + Clonidine— Concomitant use increases bradycardia risk. Withdraw beta-blocker several days before clonidine withdrawal to avoid rebo…
- Metoprolol Succinate Er + Digitalis Glycosides— Concomitant use with metoprolol succinate ER slows AV conduction and decreases heart rate, increasing bradycardia risk.
- Metoprolol Succinate Er + Diltiazem— Calcium channel blocker that slows AV conduction and decreases heart rate; concomitant use with metoprolol increases bra…
- Metoprolol Succinate Er + Monoamine Oxidase Inhibitors (Maois)— Catecholamine depleting drugs with additive effect when given with metoprolol succinate ER, may cause hypotension or mar…
- Metoprolol Succinate Er + Reserpine— Catecholamine depleting drug with additive effect when given with metoprolol succinate ER, may cause hypotension or mark…
- Metoprolol Succinate Er + Verapamil— Calcium channel blocker that slows AV conduction and decreases heart rate; concomitant use with metoprolol increases bra…
Moderate (5)
- Metoprolol Succinate Er + Fluoxetine— Strong CYP2D6 inhibitor that doubles metoprolol concentrations and decreases cardioselectivity; close monitoring require…
- Metoprolol Succinate Er + Metoprolol— Observe patients treated with metoprolol succinate extended-release tablets plus a catecholamine depletor for evidence o…
- Metoprolol Succinate Er + Paroxetine— Strong CYP2D6 inhibitor that doubles metoprolol concentrations and decreases cardioselectivity; close monitoring require…
- Metoprolol Succinate Er + Propafenone— Strong CYP2D6 inhibitor that doubles metoprolol concentrations and decreases cardioselectivity; close monitoring require…
- Metoprolol Succinate Er + Quinidine— Strong CYP2D6 inhibitor that doubles metoprolol concentrations and decreases cardioselectivity; close monitoring require…