Maraviroc/Selected Protease 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:

Serious. These medicines may interact and cause very harmful effects. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.

How the interaction occurs:

Some protease inhibitors may slow down how quickly your liver processes maraviroc.

What might happen:

The amount of maraviroc in your blood may increase and may cause more side effects than normal.

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 the dose of your medicine. Stop taking maraviroc and call your doctor right away if you develop yellow eyes or skin, dark urine, vomiting, or abdominal pain. Let your doctor know right away if you develop nausea, fever, flu-like symptoms, or fatigue, but continue taking your maraviroc. Let your doctor know if you have any kidney or liver problems, which may make the interaction more severe.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.Selzentry (maraviroc) US prescribing information. Pfizer Inc. October, 2020.
  • 2.Kaletra (lopinavir/ritonavir tablets) US prescribing information. Abbott Laboratories December, 2019.
  • 3.Norvir (ritonavir) US prescribing information. Abbott Laboratories December, 2019.

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.