Letermovir/Select OATP1B1-3 Inhibitors Interactions

This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.

Medical warning:

Moderate. These medicines may cause some risk when taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.

How the interaction occurs:

Your other medicine may decrease the amount of letermovir that your body eliminates.

What might happen:

The amount of letermovir in your body may increase and cause more side effects than expected.

What you should do about this interaction:

Let your healthcare professionals (e.g. doctor or pharmacist) know that you are taking these medicines together. Your doctor may want to change your medicine.Let your doctor know right away if you have severe nausea, diarrhea, stomach pain or swelling in the arms and legs. Your doctor may need to adjust the dose of your medicine.Your healthcare professionals may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.

  • 1.Prevymis (letermovir) US prescribing information. Merck & Co, Inc. August, 2023.
  • 2.Idhifa (enasidenib) US prescribing information. Celgene Corporation November, 2020.
  • 3.Mavyret (glecaprevir and pibrentasvir) US prescribing information. AbbVie Inc. October, 2023.
  • 4.Viekira Pak (ombitasvir, paritaprevir, and ritonavir; dasabuvir) US prescribing information. AbbVie Inc. December, 2019.
  • 5.Olysio (simeprevir) US prescribing information. Janssen Products, LP November, 2017.
  • 6.This information is based on an extract from the Certara Drug Interaction Database (DIDB) Platform, Copyright Certara 1999-2023..

Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.

CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.