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Drug Interactions between Cytadren and voriconazole

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

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Interactions between your drugs

Moderate

aminoglutethimide voriconazole

Applies to: Cytadren (aminoglutethimide) and voriconazole

MONITOR: Coadministration with inducers of CYP450 isoenzymes may decrease the plasma concentrations of voriconazole, which is metabolized by CYP450 2C19, 2C9, and/or 3A4.

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

References

  1. "Product Information. VFEND (voriconazole)." Pfizer U.S. Pharmaceuticals (2002):

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Drug and food interactions

Moderate

voriconazole food

Applies to: voriconazole

ADJUST DOSING INTERVAL: Food reduces the oral absorption and bioavailability of voriconazole. According to the product labeling, administration of multiple doses of voriconazole with high-fat meals decreased the mean peak plasma concentration (Cmax) and area under the concentration-time curve (AUC) by 34% and 24%, respectively, when the drug is administered as a tablet, and by 58% and 37%, respectively, when administered as the oral suspension.

MANAGEMENT: To ensure maximal oral absorption, voriconazole tablets and oral suspension should be taken at least one hour before or after a meal.

References

  1. "Product Information. VFEND (voriconazole)." Pfizer U.S. Pharmaceuticals (2002):
  2. Wohlt PD, Zheng L, Gunderson S, Balzar SA, Johnson BD, Fish JT "Recommendations for the use of medications with continuous enteral nutrition." Am J Health Syst Pharm 66 (2009): 1438-67

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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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