Skip to content

Drug interactions

Letermovir + Pravastatin

Severity: Moderate

Letermovir and Pravastatin: 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

Letermovir increases pravastatin exposure, raising the risk of myopathy and rhabdomyolysis. The effect is greater when cyclosporine is also given.

What this interaction means in plain words

Letermovir and Pravastatin 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.

Letermovir belongs to Anti Virals; Pravastatin belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

Letermovir inhibits hepatic uptake transporters OATP1B1/3, reducing hepatic uptake of pravastatin.

What to do

Monitor for muscle toxicity and reduce the pravastatin dose if needed. If cyclosporine is also given, limit pravastatin to 20 mg daily.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Letermovir and Pravastatin, 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.

Frequently asked questions

Can I take Letermovir with Pravastatin?

MediHelp rates the interaction as moderate. Letermovir and Pravastatin 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. Letermovir increases pravastatin exposure, raising the risk of myopathy and rhabdomyolysis. The effect is greater when cyclosporine is also given.

How serious is the interaction between Letermovir and Pravastatin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for muscle toxicity and reduce the pravastatin dose if needed. If cyclosporine is also given, limit pravastatin to 20 mg daily.

What other medicines interact with Pravastatin?

MediHelp also lists interactions of Pravastatin with, for example, Cyclosporine, Cyclosporin, Gemfibrozil. The full list is on the Pravastatin 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.

Browse A–Z · Drug interactions

Get the app Sign in