Drug Interactions between fentanyl and mifepristone
This report displays the potential drug interactions for the following 2 drugs:
- fentanyl
- mifepristone
Interactions between your drugs
fentaNYL miFEPRIStone
Applies to: fentanyl and mifepristone
Talk to your doctor before using fentaNYL together with miFEPRIStone. Combining these medications may significantly increase the blood levels of fentaNYL, which may increase the risk and/or severity of side effects. Your doctor may be able to prescribe alternatives that do not interact, or you may need to briefly stop using fentaNYL while you are being treated with miFEPRIStone. In addition, because miFEPRIStone is cleared slowly from the body, the interaction may occur even after you have stopped taking it for a while. 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.
Drug and food interactions
fentaNYL food
Applies to: fentanyl
Do not use alcohol or medications that contain alcohol while you are receiving treatment with fentaNYL. 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. You should also avoid consuming grapefruit and grapefruit juice, as this may increase the blood levels and effects of fentanyl. 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 fentaNYL, 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.
miFEPRIStone food
Applies to: mifepristone
Food increases the blood levels of this medication. If you are only receiving one or two doses, you may take it without regard to meals. However, if you are receiving the medication for long-term treatment, you should take it with food at the same time everyday to maintain consistent blood levels and effects. Avoid consuming grapefruit or grapefruit juice during treatment, as it may increase blood levels of the medication to undesirable levels and increase the risk of side effects, including headache, dizziness, fatigue, nausea, vomiting, cramping, diarrhea, hypokalemia (low blood potassium), fluid retention, swelling, and high blood pressure. Talk to your doctor or pharmacist if you have questions on how to take this or other medications you are prescribed. 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.
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
Report options
Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| 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. | |
| 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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