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Drug Interactions between carvedilol and Tikosyn

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

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Interactions between your drugs

No interactions were found between carvedilol and Tikosyn. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

carvedilol

A total of 546 drugs are known to interact with carvedilol.

Tikosyn

A total of 407 drugs are known to interact with Tikosyn.

Drug and food interactions

Minor

dofetilide food

Applies to: Tikosyn (dofetilide)

In vitro data suggest that grapefruit juice may inhibit the CYP450 3A4 first-pass metabolism of dofetilide. Decreased first-pass metabolism may increase dofetilide concentrations and increase the risk of QT interval prolongation and arrhythmias. The clinical significance is unknown, since dofetilide has a high oral bioavailability and a low affinity for CYP450 3A4. The manufacturer recommends caution.

References

  1. "Product Information. Tikosyn (dofetilide)." Pfizer U.S. Pharmaceuticals PROD (2001):

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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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