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Drug Interaction Report

5 potential interactions and/or warnings found for the following 2 drugs:

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Interactions between your drugs

Moderate

codeine bromodiphenhydramine

Applies to: Ambophen (bromodiphenhydramine / codeine), Ambophen (bromodiphenhydramine / codeine)

Using codeine together with bromodiphenhydramine may increase side effects such as dizziness, drowsiness, confusion, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination. You should avoid or limit the use of alcohol while being treated with these medications. Also avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medications affect you. 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

codeine encorafenib

Applies to: Ambophen (bromodiphenhydramine / codeine), encorafenib

Consumer information for this interaction is not currently available.

MONITOR: Coadministration of codeine with potent or moderate CYP450 3A4 inducers may result in lower codeine plasma concentrations, higher levels of the inactive metabolite norcodeine, and less metabolism via CYP450 2D6, resulting in lower morphine levels. This interaction may lead to reduced codeine efficacy and potentially initiate the onset of withdrawal symptoms in patients who are physically dependent. In addition, patients may be at an increased risk of CNS and/or respiratory-depressant effects from increased levels of codeine once concomitant therapy with the CYP450 3A4 inducer is ceased. This is particularly worrisome if the CYP450 3A4 inducer also possesses CNS- and/or respiratory-depressant effects. This interaction has also been reported with dihydrocodeine.

MANAGEMENT: The potential loss of efficacy of codeine or dihydrocodeine and onset of opioid withdrawal symptoms should be considered when used in combination with a potent or moderate CYP450 3A4 inducer. Alternative agents with no or minimal CYP450 3A4 induction potential are recommended whenever possible. Some manufacturers of products containing codeine advise against the concomitant use of codeine with CYP450 3A4 inducers. If concomitant use is considered necessary, caution and close clinical and laboratory monitoring are recommended. Dosage adjustments may also be required whenever a CYP450 3A4 inducer is added to or withdrawn from therapy. Following discontinuation of a CYP450 3A4 inducer, patients should be monitored for potentially excessive or prolonged CNS and respiratory depression.

Drug and food interactions

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

bromodiphenhydramine food

Applies to: Ambophen (bromodiphenhydramine / codeine)

Alcohol can increase the nervous system side effects of bromodiphenhydramine 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 bromodiphenhydramine. Do not use more than the recommended dose of bromodiphenhydramine, 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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Moderate

codeine food

Applies to: Ambophen (bromodiphenhydramine / codeine)

Do not use alcohol or medications that contain alcohol while you are receiving treatment with codeine. 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. With certain long-acting formulations of narcotic pain medication, consumption of alcohol may also cause rapid release of the drug, resulting in high blood levels that may be potentially lethal. 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 codeine, 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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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

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.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.