What is Maribavir?

Maribavir is a prescribed medicine for treating the cytomegalovirus (CMV) disease and infection in children and adults who are 12 years old or older, weighing at least 77lbs (35 kilograms) who have had an organ transplant if their illness or condition is not able to be treated by ganciclovir, foscarnet, cidofovir, or valganciclovir.

It isn’t known whether Maribavir is safe or effective for children younger than 12 years of age.

Maribavir, a benzimidazole riboside CMV pUL97 protein kinase inhibitor, is found in maribavir pills. Maribavir is a drug with the chemical name 5,6-Dichloro-N-(1-methylethyl)-1—L-ribofuranosyl-1H-benzimidazol-2-amine and the structural formula:

Maribavir has the chemical formula C15H19Cl2N3O4 and a molecular weight of 376.23.

FD&C Blue #1, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polyvinyl alcohol, sodium starch glycolate, titanium dioxide, and talc are all inactive components in each 200 mg tablet for oral administration.

Before you take Maribavir

Before you take this medication, inform your doctor about any medical condition you have such as if:

What other medications can affect Maribavir?

Inform your doctor about every medicine you take, which includes prescription and over-the-counter medicines including vitamins and herbal supplements.

Maribavir can affect how other medications work and different medicines could alter the way Maribavir functions and can cause serious side effects.

Inform your healthcare professional that you are taking a seizure (anticonvulsant) medication.

Precautions and warnings

How to take Maribavir?

Dosage and administration


Recommended Dosage

  • The recommended dosage for adult patients and children (12 years old or over and with a weight of at least 35kg) are 400 milligrams (two 200 mg tablet) consumed orally two times a day or with or without food.

Dosage Adjustment when administered in conjunction with anticonvulsants

  • If this medication is administered in conjunction with carbamazepine, you can increase the dose up to 800 mg twice each day.
  • If this medication is administered in conjunction with phenytoin, or phenobarbital raises the dose upto 1,200 mg once every day.

Maribavir side effects

The most commonly reported adverse effects are:

This is not the only list of possible adverse consequences. Consult your physician to get medical advice on possible side effects. You can report any adverse reactions to the FDA at 1-800-FDA-1088.

General information on the safety

Sometimes, medicines are used for reasons other than those stated on the Patient Information leaflet. Use this medicine only to treat a condition that it was not recommended. Don’t give it to others even if they suffer from similar symptoms to those you do. They could be harmed by it. Ask your doctor or pharmacist for advice that has been designed for health professionals.



More details

Always consult your physician to make sure the information presented on this page is applicable to your specific situation.

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