Drug interactions
Simvastatin + Sofosbuvir / velpatasvir
Severity: Moderate
Simvastatin and Sofosbuvir / velpatasvir: 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
Velpatasvir may increase simvastatin concentrations and thereby the risk of myopathy, including rhabdomyolysis.
What this interaction means in plain words
Simvastatin and Sofosbuvir / velpatasvir 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.
Why it happens
Velpatasvir inhibits intestinal BCRP and OATP1B transporters, increasing simvastatin absorption and exposure.
What to do
Consider holding simvastatin or switching to a different statin during treatment, or use the lowest dose with monitoring for muscle symptoms and CK.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Simvastatin and Sofosbuvir / velpatasvir, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Simvastatin
- Atazanavir + Simvastatin Contraindicated
- Clarithromycin + Simvastatin Contraindicated
- Cobicistat + Simvastatin Contraindicated
- Cyclosporine + Simvastatin Contraindicated
- Cyclosporin + Simvastatin Contraindicated
- Danazol + Simvastatin Contraindicated
Frequently asked questions
Can I take Simvastatin with Sofosbuvir / velpatasvir?
MediHelp rates the interaction as moderate. Simvastatin and Sofosbuvir / velpatasvir 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. Velpatasvir may increase simvastatin concentrations and thereby the risk of myopathy, including rhabdomyolysis.
How serious is the interaction between Simvastatin and Sofosbuvir / velpatasvir?
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 holding simvastatin or switching to a different statin during treatment, or use the lowest dose with monitoring for muscle symptoms and CK.
What other medicines interact with Simvastatin?
MediHelp also lists interactions of Simvastatin with, for example, Atazanavir, Clarithromycin, Cobicistat. The full list is on the Simvastatin 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.
