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Drug Interactions between risperidone and Vizimpro

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

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Interactions between your drugs

Moderate

risperiDONE dacomitinib

Applies to: risperidone and Vizimpro (dacomitinib)

MONITOR: Coadministration with dacomitinib may increase the plasma concentrations of drugs that are substrates of the CYP450 2D6 isoenzyme. The mechanism is reduced clearance due to inhibition of CYP450 2D6 by dacomitinib. When dextromethorphan, a probe substrate for CYP450 2D6, was coadministered with a single 45 mg dose of dacomitinib, dextromethorphan peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 9.7- and 9.6-fold, respectively. The interaction may be particularly important for sensitive CYP450 2D6 substrates or those that demonstrate a narrow therapeutic index.

MANAGEMENT: Caution is advised if dacomitinib is used in combination with CYP450 2D6 substrates. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate whenever dacomitinib is added to or withdrawn from therapy. Avoid concomitant use with dacomitinib where minimal increases in concentration of the CYP450 2D6 substrate may lead to serious or life-threatening toxicities.

References (1)
  1. (2018) "Product Information. Vizimpro (dacomitinib)." Pfizer U.S. Pharmaceuticals Group

Drug and food interactions

Moderate

risperiDONE food

Applies to: risperidone

GENERALLY AVOID: Risperidone oral solution is not compatible with either tea or cola. In addition, alcohol may potentiate some of the pharmacologic effects of risperidone. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills.

MANAGEMENT: Risperidone oral solution should not be mixed with tea or cola. It may be taken with water, coffee, orange juice, or lowfat milk. Patients should also be advised to avoid consumption of alcohol.

References (1)
  1. (2001) "Product Information. Risperdal (risperidone)." Janssen Pharmaceuticals

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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