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Drug Interactions between encorafenib and Protuss-D

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

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Interactions between your drugs

Major

HYDROcodone encorafenib

Applies to: Protuss-D (hydrocodone / potassium guaiacolsulfonate / pseudoephedrine) and encorafenib

Consumer information for this interaction is not currently available.

MONITOR CLOSELY: Coadministration with inducers of CYP450 3A4 may decrease the plasma concentrations of opioids that are primarily metabolised by the isoenzyme such as butorphanol, fentanyl, hydrocodone, and oxycodone. Reduced efficacy or withdrawal symptoms may occur in patients maintained on their narcotic pain regimen following the addition of a CYP450 3A4 inducer. Conversely, discontinuation of the inducer may increase opioid plasma concentrations and potentiate the risk of overdose and fatal respiratory depression. In addition, when two or more medications with similar adverse effect profiles are given concurrently, the likelihood of experiencing these adverse reactions may be increased. For example, coadministration with other agents that can prolong the QT interval (e.g., apalutamide, encorafenib, enzalutamide) may result in additive effects and an increased risk of ventricular arrhythmias like torsade de pointes.

MANAGEMENT: Pharmacologic response to the opioid should be monitored more closely whenever a CYP450 3A4 inducer is added to or withdrawn from therapy, and the opioid dosage adjusted as necessary. If the CYP450 3A4 inducer also carries a risk of prolonging the QT interval, then obtaining more frequent electrocardiograms (ECGs) to monitor the QT interval may be advisable. Patients should be counseled to seek immediate medical attention if they experience symptoms that could indicate the occurrence of torsade de pointes such as dizziness, lightheadedness, syncope, palpitations, irregular heartbeat, and/or shortness of breath.

References

  1. (2001) "Product Information. Mycobutin (rifabutin)." Pharmacia and Upjohn
  2. (2001) "Product Information. Rifadin (rifampin)." Hoechst Marion Roussel
  3. "Product Information. Duragesic Transdermal System (fentanyl)." Janssen Pharmaceutica, Titusville, NJ.
  4. (2001) "Product Information. OxyContin (oxycodone)." Purdue Frederick Company
  5. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  6. (2006) "Product Information. Ionsys (fentanyl)." Ortho McNeil Pharmaceutical
  7. Canadian Pharmacists Association (2006) e-CPS. http://www.pharmacists.ca/function/Subscriptions/ecps.cfm?link=eCPS_quikLink
  8. Cerner Multum, Inc. "Australian Product Information."
  9. (2013) "Product Information. Zohydro ER (hydrocodone)." Zogenix, Inc
  10. (2017) "Product Information. Butorphanol Tartrate (butorphanol)." Apotex Corporation
View all 10 references

Drug and food interactions

Major

HYDROcodone food

Applies to: Protuss-D (hydrocodone / potassium guaiacolsulfonate / pseudoephedrine)

Do not use alcohol or medications that contain alcohol while you are receiving treatment with HYDROcodone. This may increase nervous system side effects such as drowsiness, dizziness, lightheadedness, difficulty concentrating, and impairment in thinking and judgment. In severe cases, low blood pressure, respiratory distress, fainting, coma, or even death may occur. If you are taking certain long-acting formulations of hydrocodone, consumption of alcohol may also cause rapid release of the drug, resulting in high blood levels that may be potentially lethal. Likewise, you should avoid consuming grapefruit and grapefruit juice, as this may increase the blood levels and effects of hydrocodone. Talk to your doctor or pharmacist if you have questions on how to take this or other medications you are prescribed. Do not use more than the recommended dose of HYDROcodone, and avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medication affects you. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medication without first talking to your doctor.

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Major

encorafenib food

Applies to: encorafenib

You should preferably avoid consumption of grapefruit and grapefruit juice while taking encorafenib. Grapefruit and grapefruit juice can significantly increase the blood levels of encorafenib. This may increase the risk of serious side effects such as bleeding complications, eye and vision problems, liver problems, irregular heart rhythm, and development of new skin cancers. Talk to your doctor if you have any questions or concerns. 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

pseudoephedrine food

Applies to: Protuss-D (hydrocodone / potassium guaiacolsulfonate / pseudoephedrine)

Both pseudoephedrine and caffeine can increase blood pressure and heart rate, and combining them may enhance these effects. Talk to your doctor before using these medications, especially if you have a history of high blood pressure or heart disease. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Contact your doctor if your condition changes or you experience increased side effects. 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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