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Drug interactions

Rosuvastatin + Saquinavir

Severity: Moderate

Rosuvastatin and Saquinavir: 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

Boosted saquinavir increases rosuvastatin exposure. This raises the risk of myopathy.

What this interaction means in plain words

Rosuvastatin and Saquinavir 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

Inhibition of OATP1B1 by saquinavir and ritonavir reduces rosuvastatin hepatic uptake.

What to do

Use the lowest effective rosuvastatin dose and monitor for muscle symptoms. Check CK if symptoms occur.

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 Rosuvastatin with Saquinavir?

MediHelp rates the interaction as moderate. Rosuvastatin and Saquinavir 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. Boosted saquinavir increases rosuvastatin exposure. This raises the risk of myopathy.

How serious is the interaction between Rosuvastatin and Saquinavir?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective rosuvastatin dose and monitor for muscle symptoms. Check CK if symptoms occur.

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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