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Drug Interactions between mifepristone and Triphasil

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

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Interactions between your drugs

Moderate

ethinyl estradiol miFEPRIStone

Applies to: Triphasil (ethinyl estradiol / levonorgestrel) and mifepristone

When used for a prolonged period, miFEPRIStone may reduce the effects of ethinyl estradiol. If you are using ethinyl estradiol for birth control, you may be at increased risk for pregnancy or breakthrough bleeding. Talk to your doctor or pharmacist to determine an appropriate alternative form of birth control you can use during treatment with miFEPRIStone. 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

levonorgestrel miFEPRIStone

Applies to: Triphasil (ethinyl estradiol / levonorgestrel) and mifepristone

When used for a prolonged period, miFEPRIStone may reduce the effects of levonorgestrel. If you are using levonorgestrel for birth control, you may be at increased risk for pregnancy or breakthrough bleeding. Talk to your doctor or pharmacist to determine an appropriate alternative form of birth control you can use during treatment with miFEPRIStone. 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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Drug and food interactions

Moderate

levonorgestrel food

Applies to: Triphasil (ethinyl estradiol / levonorgestrel)

Grapefruit juice may increase the blood levels of certain medications such as levonorgestrel. You may want to limit your consumption of grapefruit and grapefruit juice during treatment with levonorgestrel. However, if you have been regularly consuming grapefruit or grapefruit juice with the medication, then it is advisable for you to talk with your doctor before changing the amounts of these products in your diet, as this may alter the effects of your medication. Contact your doctor if your condition changes or you experience increased side effects. Orange juice is not expected to interact.

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Moderate

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.

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Minor

ethinyl estradiol food

Applies to: Triphasil (ethinyl estradiol / levonorgestrel)

Information for this minor interaction is available on the professional version.

Minor

ethinyl estradiol food

Applies to: Triphasil (ethinyl estradiol / levonorgestrel)

Information for this minor interaction is available on the professional version.

Minor

levonorgestrel food

Applies to: Triphasil (ethinyl estradiol / levonorgestrel)

Information for this minor interaction is available on the professional version.

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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