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Drug Interactions between Mycelex Troche and valdecoxib

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

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Interactions between your drugs

Moderate

clotrimazole valdecoxib

Applies to: Mycelex Troche (clotrimazole) and valdecoxib

MONITOR: Coadministration with inhibitors of CYP450 2C9 and/or 3A4 may increase the plasma concentrations of valdecoxib, which is metabolized by these isoenzymes. According to the product labeling for valdecoxib, multi-dose administration of fluconazole (CYP450 2C9/3A4 inhibitor) and ketoconazole (CYP450 3A4 inhibitor) increased the area under the plasma concentration-time curve (AUC) of a single 20 mg dose of valdecoxib by 62% and 38%, respectively. Parecoxib, a prodrug of valdecoxib, may be similarly affected.

MANAGEMENT: The possibility of prolonged and/or increased pharmacologic effects of valdecoxib or parecoxib, including serious adverse effects such as gastrointestinal ulceration and bleeding, should be considered during concomitant therapy with CYP450 2C9 or 3A4 inhibitors, particularly combination (2C9/3A4) inhibitors such as fluconazole, fluvoxamine, imatinib, and zafirlukast. Dose reductions of the COX-2 inhibitor may be required.

References

  1. (2001) "Product Information. Bextra (valdecoxib)." Pharmacia and Upjohn

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Drug and food interactions

No alcohol/food interactions were found. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

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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