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Drug interactions

Nirmatrelvir / ritonavir + Rosuvastatin

Severity: Moderate

Nirmatrelvir / ritonavir and Rosuvastatin: 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

Ritonavir-boosted nirmatrelvir can modestly increase rosuvastatin concentrations. Because the course is short, the risk is usually manageable.

What this interaction means in plain words

Nirmatrelvir / ritonavir and Rosuvastatin 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.

Evidence level: Moderate

Why it happens

Ritonavir inhibits OATP1B1 and BCRP transporters, raising rosuvastatin exposure; CYP3A4 plays only a minor role.

What to do

Consider temporarily withholding rosuvastatin during the 5-day course, or continue with counselling to report muscle pain or weakness.

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 Nirmatrelvir / ritonavir with Rosuvastatin?

MediHelp rates the interaction as moderate. Nirmatrelvir / ritonavir and Rosuvastatin 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. Ritonavir-boosted nirmatrelvir can modestly increase rosuvastatin concentrations. Because the course is short, the risk is usually manageable.

How serious is the interaction between Nirmatrelvir / ritonavir and Rosuvastatin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider temporarily withholding rosuvastatin during the 5-day course, or continue with counselling to report muscle pain or weakness.

What other medicines interact with Rosuvastatin?

MediHelp also lists interactions of Rosuvastatin with, for example, Atazanavir, Cyclosporine, Cyclosporin. The full list is on the Rosuvastatin page.

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