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Drug interactions

Atorvastatin + Digoxin

Severity: Moderate

Atorvastatin and Digoxin: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Atorvastatin, especially at high doses, can modestly increase digoxin exposure. The rise is usually small but may matter in patients with a narrow therapeutic margin or renal impairment.

What this interaction means in plain words

Atorvastatin and Digoxin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Atorvastatin belongs to Cardiovascular; Digoxin belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

Inhibition of P-glycoprotein by atorvastatin reduces intestinal and renal digoxin efflux.

What to do

Check digoxin levels when starting or changing the atorvastatin dose, particularly at higher doses. Monitor for nausea, visual changes and arrhythmia.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Atorvastatin with Digoxin?

MediHelp rates the interaction as moderate. Atorvastatin and Digoxin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Atorvastatin, especially at high doses, can modestly increase digoxin exposure. The rise is usually small but may matter in patients with a narrow therapeutic margin or renal impairment.

How serious is the interaction between Atorvastatin and Digoxin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check digoxin levels when starting or changing the atorvastatin dose, particularly at higher doses. Monitor for nausea, visual changes and arrhythmia.

What other medicines interact with Digoxin?

MediHelp also lists interactions of Digoxin with, for example, Lily of the valley, Squill, Adagrasib. The full list is on the Digoxin page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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