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Drug Interactions between resmetirom and Verelan PM

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

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Interactions between your drugs

Moderate

verapamil resmetirom

Applies to: Verelan PM (verapamil) and resmetirom

Consumer information for this interaction is not currently available.

MONITOR: Coadministration with resmetirom may increase the plasma concentrations and the risk of adverse effects of drugs that are substrates of the CYP450 2C8 isoenzyme. The proposed mechanism, based on in vitro and clinical data, is decreased clearance due to weak inhibition of CYP450 2C8 by resmetirom. In healthy study subjects, when a single dose of the CYP450 2C8 substrate pioglitazone (15 mg) was administered with resmetirom at steady state concentrations (100 mg daily), a 1.5-fold increase in pioglitazone systemic exposure (AUC) was observed. However, the peak plasma concentration (Cmax) of pioglitazone was unchanged.

MANAGEMENT: Caution and clinical monitoring is recommended if resmetirom is coadministered with drugs that are substrates of the CYP450 2C8 isoenzyme. Dosage adjustments as well as closer clinical and laboratory monitoring for the development of adverse effects may be appropriate for some drugs whenever resmetirom is added to or withdrawn from therapy. Individual product labeling should be consulted for further guidance.

References

  1. "Product Information. Rezdiffra (resmetirom)." Madrigal Pharmaceuticals, Inc. (2024):

Drug and food interactions

Moderate

verapamil food

Applies to: Verelan PM (verapamil)

You may take verapamil with or without food, but take it the same way every time. You should avoid consuming grapefruit or grapefruit juice as much as possible during treatment with verapamil. If you have been regularly consuming grapefruit or grapefruit juice with verapamil, do not increase or decrease the amounts of these products in your diet without first talking to your doctor. Grapefruit juice can increase the blood levels and effects of verapamil. Contact your doctor if you experience sudden, unexplained weight gain; swelling of the hands, ankles, or feet; chest pain; or difficulty breathing. Avoid driving or operating hazardous machinery until you know how the medication affects you, and use caution when getting up from a sitting or lying position. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Moderate

verapamil food

Applies to: Verelan PM (verapamil)

Ask your doctor before using verapamil together with ethanol. Verapamil may increase the blood levels and intoxicating effects of ethanol. This can cause symptoms of extreme drowsiness, confusion, and nausea. If you experience any of these side effect you should avoid activities requiring mental alertness. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Moderate

verapamil food

Applies to: Verelan PM (verapamil)

Using verapamil together with multivitamin with minerals can decrease the effects of verapamil. Talk with your doctor before using verapamil and multivitamin with minerals together. You may need a dose adjustment or need your blood pressure checked more often if you take both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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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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