Digoxin and Furosemide: Drug Interaction Guide

Quick answer: This combination requires caution. Digoxin and Furosemide can be used together with adjustments and monitoring.

Interaction severity: Moderate — caution required

How Digoxin interacts with Furosemide

Furosemide-induced hypokalaemia and hypomagnesaemia sensitise the myocardium to digoxin's effect on the Na+/K+-ATPase, increasing the risk of digitalis-related arrhythmias.

What you should do

Monitor serum potassium and magnesium regularly and supplement as needed; check digoxin levels if signs of toxicity develop (nausea, visual changes, arrhythmia).

Key facts

Severity

Moderate — caution required

Mechanism

Furosemide-induced hypokalaemia and hypomagnesaemia sensitise the myocardium to digoxin's effect on the Na+/K+-ATPase, i...

Action

Monitor serum potassium and magnesium regularly and supplement as needed; check digoxin levels if signs of toxicity deve...

Important medical disclaimer: This page provides educational information about drug interactions for general reference. It is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your specific medications with a qualified healthcare provider before starting, stopping, or changing any treatment. About our editorial team.

Frequently asked questions

Can I take Digoxin and Furosemide together?

With caution. Monitor serum potassium and magnesium regularly and supplement as needed; check digoxin levels if signs of toxicity develop (nausea, visual changes, arrhythmia).

What is the severity of this interaction?

The interaction between Digoxin and Furosemide is classified as Moderate — caution required. Furosemide-induced hypokalaemia and hypomagnesaemia sensitise the myocardium to digoxin's effect on the Na+/K+-ATPase, increasing the risk of digitalis-related arrhythmias.

What should I do if I'm prescribed both?

Monitor serum potassium and magnesium regularly and supplement as needed; check digoxin levels if signs of toxicity develop (nausea, visual changes, arrhythmia). Always consult your prescribing clinician — do not stop or change medications without medical guidance.

Last reviewed: by iMedic Medical Editorial Team. Our editorial process.