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Drug Interactions between Dexamethasone Intensol and vilazodone

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

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Interactions between your drugs

Moderate

dexAMETHasone vilazodone

Applies to: Dexamethasone Intensol (dexamethasone) and vilazodone

MONITOR: Coadministration with inducers of CYP450 3A4 may decrease the plasma concentrations of vilazodone, which is primarily metabolized by the isoenzyme. According to the product labeling, concomitant use of vilazodone with potent CYP450 3A4 inducers such as carbamazepine can decrease vilazodone systemic exposure by approximately 45%.

MANAGEMENT: The possibility of a diminished therapeutic response to vilazodone should be considered during coadministration with CYP450 3A4 inducers. Pharmacologic effects of vilazodone should be monitored more closely whenever a CYP450 3A4 inducer is added to or withdrawn from therapy, and the dosage adjusted as necessary.

References (1)
  1. (2011) "Product Information. Viibryd (vilazodone)." Trovis Pharmaceuticals LLC

Drug and food interactions

Moderate

vilazodone food

Applies to: vilazodone

GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of vilazodone. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills.

ADJUST DOSING INTERVAL: Food enhances the oral bioavailability of vilazodone. According to the product labeling, vilazodone blood concentrations in the fasted state can be decreased by approximately 50% compared to the fed state, which may result in diminished effectiveness in some patients. The absolute bioavailability of vilazodone is 72% with food. In study subjects, administration with food (high-fat or light meal) increased vilazodone peak plasma concentration (Cmax) by approximately 147% to 160% and systemic exposure (AUC) by approximately 64% to 85%.

MANAGEMENT: Patients receiving vilazodone should be advised to avoid consumption of alcohol. Ambulatory patients should be counseled to avoid hazardous activities requiring complete mental alertness and motor coordination until they know how vilazodone affects them, and to notify their physician if they experience excessive or prolonged CNS effects that interfere with their normal activities. Vilazodone should be taken with food. Administration without food may result in inadequate drug concentrations and diminished effectiveness.

References (1)
  1. (2011) "Product Information. Viibryd (vilazodone)." Trovis Pharmaceuticals LLC

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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