Digoxin and Nadolol interaction

Digoxin and Nadolol: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.

Moderate

Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.

What the FDA labels say

From the Digoxin label · effective 2025-04-10

Moderate

Beta-adrenergic Blockers and Calcium Channel Blockers Additive effects on AV node conduction can result in complete heart block.

Drug interactionsby drug classView label on DailyMed

From the Nadolol label · effective 2026-05-18

Moderate

Although beta-blockers should be avoided in overt congestive heart failure, if necessary, they can be used with caution in patients with a history of failure who are well-compensated, usually with digitalis and diuretics.

Warningsby drug classView label on DailyMed
Moderate

Digitalis glycosides- Both digitalis glycosides and beta-blockers slow atrioventricular conduction and decrease heart rate.

Drug interactionsby drug classView label on DailyMed
Minor

Beta-adrenergic blocking agents do not abolish the inotropic action of digitalis on heart muscle.

Warningsby drug classView label on DailyMed

Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.

Open in the checker

Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.