Eletriptan/Selected Protease Inhibitors; Cobicistat 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:

Very Serious. These medicines may interact and cause very harmful effects and are usually not taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.

How the interaction occurs:

Certain protease inhibitors may slow down how quickly your liver processes eletriptan.

What might happen:

The amount of eletriptan in your body may increase and cause unwanted side effects such as high blood pressure, a rapid heart beat, chest pain, sweating, nausea, or dizziness.

What you should do about this interaction:

Make sure your healthcare professionals (e.g. doctor or pharmacist) know that you are taking these medicines together. Your doctor may want to change one of the medicines that you are taking. If you notice any extra side effects from your eletriptan while taking your protease inhibitor, let your doctor know right away.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.Relpax (eletriptan hydrobromide) UK summary of product characteristics. Pfizer Limited September, 2013.
  • 2.Relpax (eletriptan hydrobromide) US prescribing information. Pfizer Inc. March, 2020.
  • 3.Stribild (elvitegravir, cobicistat, emtricitabine, tenofovir) US prescribing information. Gilead Sciences, Inc. September, 2021.
  • 4.Incivek (telaprevir) US prescribing information. Vertex Pharmaceuticals Incorporated October, 2013.
  • 5.Victrelis (boceprevir) US prescribing information. Schering Corporation January, 2017.
  • 6.Paxlovid (nirmatrelvir tablets and ritonavir tablets) US prescribing information. Pfizer Inc. May, 2023.
  • 7.This information is based on an extract from the Certara Drug Interaction Database (DIDB) Platform, Copyright Certara 1999-2023..
  • 8.Frova (frovatriptan) US prescribing information. Endo Pharmaceuticals August, 2018.
  • 9.Imitrex Tablets (sumatriptan) US prescribing information. GlaxoSmithKline December 14, 2017.
  • 10.Zomig (zolmitriptan) US prescribing information. AstraZeneca Pharmaceuticals LP September, 2012.
  • 11.Yu AM. Indolealkylamines: biotransformations and potential drug-drug interactions. AAPS J 2008 Jun;10(2):242-53.

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.