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Drug Interactions between letermovir and Nuprin

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

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Interactions between your drugs

Moderate

ibuprofen letermovir

Applies to: Nuprin (ibuprofen) and letermovir

MONITOR: Coadministration with letermovir may decrease the plasma concentrations of drugs that are metabolized by CYP450 2C9 and/or 2C19. The interaction has been studied with voriconazole, a substrate of CYP450 2C9 and 2C19. According to the product labeling, voriconazole peak plasma concentration (Cmax), systemic exposure (AUC) and concentration at 12 hours postdose (C12hr) decreased by an average of 39%, 44% and 51%, respectively, when voriconazole 200 mg orally twice daily was coadministered with letermovir 480 mg orally once daily.

MANAGEMENT: Caution is advised when letermovir is used concomitantly with drugs that are substrates of CYP450 2C9 and/or 2C19, particularly those with a narrow therapeutic range. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate for some drugs whenever letermovir is added to or withdrawn from therapy.

References

  1. "Product Information. Prevymis (letermovir)." Merck & Co., Inc (2017):

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Drug and food interactions

Moderate

ibuprofen food

Applies to: Nuprin (ibuprofen)

GENERALLY AVOID: The concurrent use of aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs) and ethanol may lead to gastrointestinal (GI) blood loss. The mechanism may be due to a combined local effect as well as inhibition of prostaglandins leading to decreased integrity of the GI lining.

MANAGEMENT: Patients should be counseled on this potential interaction and advised to refrain from alcohol consumption while taking aspirin or NSAIDs.

References

  1. "Product Information. Motrin (ibuprofen)." Pharmacia and Upjohn PROD (2002):

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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.

See also

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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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