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Drug Interactions between acetaminophen / tramadol and tovorafenib

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

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Interactions between your drugs

Moderate

traMADol tovorafenib

Applies to: acetaminophen / tramadol and tovorafenib

Consumer information for this interaction is not currently available.

MONITOR: Coadministration with inducers of CYP450 3A4 may decrease the plasma concentrations of tramadol, which is primarily metabolized by CYP450 3A4 and 2D6. Reduced opioid efficacy can occur, including opioid withdrawal in physically dependent patients. After discontinuing a CYP450 3A4 inducer, the tramadol plasma concentration will increase, which could increase and/or prolong opioid efficacy and adverse reactions, including seizures, serotonin syndrome, and 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: Caution is advised when tramadol is used with CYP450 3A4 inducers. Patients should be monitored for opioid efficacy and signs of withdrawal. 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. If a CYP450 3A4 inducer is discontinued, monitor for seizures, serotonin syndrome, sedation, and respiratory depression. The prescribing information for the concomitant CYP450 3A4 inducers should be consulted for specific recommendations.

References

  1. (2022) "Product Information. Seglentis (celecoxib-tramadol)." Kowa Pharmaceuticals America (formerly ProEthic)

Drug and food interactions

Major

acetaminophen food

Applies to: acetaminophen / tramadol

Ask your doctor before using acetaminophen together with ethanol. This can cause serious side effects that affect your liver. Call your doctor immediately if you experience a fever, chills, joint pain or swelling, excessive tiredness or weakness, unusual bleeding or bruising, skin rash or itching, loss of appetite, nausea, vomiting, or yellowing of the skin or the whites of your eyes. If your doctor does prescribe these medications together, you may need a dose adjustment or special tests to safely 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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Moderate

traMADol food

Applies to: acetaminophen / tramadol

Alcohol can increase the nervous system side effects of traMADol such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment. You should avoid or limit the use of alcohol while being treated with traMADol. Do not use more than the recommended dose of traMADol, and avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medication affects you. Talk to your doctor or pharmacist if you have any questions or concerns.

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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.


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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.