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Drug Interactions between Grifulvin V and maribavir

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

griseofulvin maribavir

Applies to: Grifulvin V (griseofulvin) and maribavir

Consumer information for this interaction is not currently available.

MONITOR: Coadministration with inducers of CYP450 3A4 may decrease the plasma concentrations of maribavir, which is primarily metabolized by the isoenzyme. When maribavir (400 mg twice daily) was administered with the potent CYP450 3A4 inducer, rifampin (600 mg once daily), maribavir peak plasma concentration (Cmax) and systemic exposure (AUC) decreased by 39% and 60%, respectively. The interaction has not been studied with other, less potent inducers.

MANAGEMENT: The potential for diminished pharmacologic effects of maribavir should be considered during coadministration with CYP450 3A4 inducers. Alternative treatments may be required if an interaction is suspected.

Drug and food/lifestyle interactions

Moderate

griseofulvin food/lifestyle

Applies to: Grifulvin V (griseofulvin)

You may be advised to take griseofulvin with a fatty meal to increase its absorption into your body. This will make it easier for your body to absorb the medication. The combination of alcohol and griseofulvin may cause flushing and a fast heart rate. Use alcohol cautiously during treatment with griseofulvin.

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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