Carvedilol Phosphate has 16 known drug interactions based on U.S. FDA drug labeling data. 4 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Amiodarone, Clonidine, Monoamine Oxidase Inhibitors (Maois). Patients taking Carvedilol Phosphate 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
- 16
- Major
- 4
- Moderate
- 10
Major (4)
- Carvedilol Phosphate + Amiodarone— May increase carvedilol levels resulting in further slowing of heart rate or cardiac conduction.
- Carvedilol Phosphate + Clonidine— Concomitant use may cause hypotension and bradycardia; beta-blocker should be discontinued first when stopping both drug…
- Carvedilol Phosphate + Monoamine Oxidase Inhibitors (Maois)— Catecholamine-depleting agents that may increase risk of hypotension and severe bradycardia when combined with carvedilo…
- Carvedilol Phosphate + Reserpine— Catecholamine-depleting agent that may increase risk of hypotension and severe bradycardia when combined with carvedilol…
Moderate (10)
- Carvedilol Phosphate + Cyclosporine— Carvedilol initiation increases mean trough cyclosporine concentrations by about 20% on average; dose reduction may be n…
- Carvedilol Phosphate + Digoxin— Digoxin concentrations increase by about 15% when given with carvedilol; both agents slow AV conduction and decrease hea…
- Carvedilol Phosphate + Diltiazem— Calcium channel blocker that may affect ECG and/or blood pressure when used with carvedilol.
- Carvedilol Phosphate + Fluoxetine— Potent CYP2D6 inhibitor expected to increase carvedilol R(+) enantiomer blood levels, potentially causing dizziness and …
- Carvedilol Phosphate + Insulin Human— Carvedilol may enhance insulin action; monitor blood glucose.
- Carvedilol Phosphate + Paroxetine— Potent CYP2D6 inhibitor expected to increase carvedilol R(+) enantiomer blood levels, potentially causing dizziness and …
- Carvedilol Phosphate + Propafenone— Potent CYP2D6 inhibitor expected to increase carvedilol R(+) enantiomer blood levels, potentially causing dizziness and …
- Carvedilol Phosphate + Quinidine— Potent CYP2D6 inhibitor expected to increase carvedilol R(+) enantiomer blood levels, potentially causing dizziness and …
- Carvedilol Phosphate + Rifampin— May decrease carvedilol levels.
- Carvedilol Phosphate + Verapamil— Calcium channel blocker that may affect ECG and/or blood pressure when used with carvedilol.