Active Ingredient

Digoxin

Digoxin is a medication commonly used to help manage certain heart conditions. It is often prescribed to improve heart efficiency and regulate heart rate.

This medication is particularly useful in conditions where the heart does not pump blood effectively.

Written By Douglas C. Goldberg, MD

Reviewed By Philip Schein, MD

Last Updated 28 Nov 2025

Available Digoxin Brands

Lanoxin

Strengths 0.25mg

Digoxin

Strengths 0.25mg

Digoxin Uses

Digoxin is primarily used to manage heart-related issues. It helps in maintaining a steady and strong heartbeat.

Heart failure
Atrial fibrillation
Arrhythmias

How Digoxin Works

Digoxin works by affecting certain minerals inside heart cells. This action strengthens the heart’s contractions and helps it pump more efficiently.

It also helps control the heart rate by affecting the electrical conduction system of the heart.

As a cardiac glycoside, it increases the force of heart muscle contractions.

Common side effects of Digoxin

Not everyone experiences side effects from Digoxin, and many are mild and temporary. However, it’s important to be aware of them.

Nausea
Dizziness
Headache
Fatigue
Stomach upset
Vision changes

If you experience serious or persistent symptoms, contact your doctor.

Frequently Asked Questions

What does Digoxin do to the heart?

Digoxin helps strengthen heart contractions and can regulate irregular heart rhythms.

How long does it take for Digoxin to work?

The effects of Digoxin can be noticed within a few hours, but full benefits may take longer.

Is Digoxin safe for long-term use?

Digoxin can be used long-term under a doctor’s supervision, but regular monitoring is necessary.

Can I take Digoxin with other medications?

It’s important to inform your doctor about all medications you’re taking to avoid potential interactions.

What should I do if I miss a dose of Digoxin?

If you miss a dose, contact your healthcare provider for guidance on what to do next.