Drug Interaction Report
2 potential interactions and/or warnings found for the following 2 drugs:
- darifenacin
- Omnitrope (somatropin)
Interactions between your drugs
somatropin darifenacin
Applies to: Omnitrope (somatropin), darifenacin
MONITOR: Theoretically, coadministration with inducers of CYP450 3A4 may decrease the plasma concentrations of darifenacin, which has been shown to be a substrate of the isoenzyme.
MANAGEMENT: Pharmacologic response to darifenacin should be monitored more closely whenever a CYP450 3A4 inducer is added to or withdrawn from therapy, and the darifenacin dosage adjusted if necessary.
References (1)
- (2005) "Product Information. Enablex (darifenacin)." Novartis Pharmaceuticals
Drug and food interactions
darifenacin food
Applies to: darifenacin
The consumption of grapefruit juice may be associated with increased plasma concentrations of darifenacin. The mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruits. The clinical significance is unknown.
References (1)
- Cerner Multum, Inc. "UK Summary of Product Characteristics."
Therapeutic duplication warnings
No duplication 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
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| 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. | |
| No interaction information available. |
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Further information
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