Alfentanil; Fentanyl; Oxycodone/Selected Moderate CYP3A4 Inhibitors
This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.
Moderate. These medicines may cause some risk when taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
Diltiazem and verapamil may slow down how quickly your liver processes your pain medicine.
What might happen:
The amount of pain medicine in your blood may increase and you may become more drowsy than normal.
What you should do about this interaction:
Let your healthcare professionals (e.g. doctor or pharmacist) know that you are taking these medicines together. Your doctor may want to adjust the dose of your medicine.If you feel more sleepy or tired than normal, contact your healthcare professional as soon as possible.Your healthcare professionals may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
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