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Drug Interactions between estradiol / norethindrone / relugolix and flibanserin

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

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Interactions between your drugs

Major

flibanserin relugolix

Applies to: flibanserin and estradiol / norethindrone / relugolix

Flibanserin may significantly increase the blood levels of relugolix. This may increase the risk and/or severity of side effects such as hot flushes; weight gain; decreased sex drive; erectile function difficulties; muscle and joint pain; constipation; diarrhea; increases in glucose, triglyceride (fat), and liver enzyme levels; and decreased hemoglobin levels. It may also increase the risk of an irregular heart rhythm that may be serious and potentially life-threatening, although it is a relatively rare side effect. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring to safely use both medications. If you do have to take both medications, you should take relugolix first, then take flibanserin after at least 6 hours to minimize the effects of the interaction. 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.

Moderate

norethindrone flibanserin

Applies to: estradiol / norethindrone / relugolix and flibanserin

Norethindrone may increase the blood levels of flibanserin. In some cases, this may increase the risk of side effects such as drowsiness and decreases in blood pressure that can lead to dizziness, lightheadedness, fainting, and accidental injury. You should take flibanserin at bedtime to minimize the risk of these effects. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring to safely use 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.

Drug and food interactions

Major

flibanserin food

Applies to: flibanserin

Do not use alcohol too close to the dosing time of flibanserin. Doing so can cause excessive drowsiness and decreases in blood pressure, which may lead to dizziness, lightheadedness, fainting, and accidental injury. Take flibanserin at bedtime to minimize the risk of these effects. It is recommended that you stop drinking alcohol at least two hours before taking flibanserin; otherwise, you should just skip the flibanserin dose that evening. Alcohol should not be consumed until at least the morning after taking flibanserin at bedtime. Because grapefruit juice can significantly increase the blood levels of flibanserin, you should also avoid the consumption of grapefruit and grapefruit juice during treatment. Talk to your healthcare provider 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.

Moderate

norethindrone food

Applies to: estradiol / norethindrone / relugolix

Grapefruit juice may increase the blood levels of certain medications such as norethindrone. You may want to limit your consumption of grapefruit and grapefruit juice during treatment with norethindrone. 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.

Minor

estradiol food

Applies to: estradiol / norethindrone / relugolix

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

Minor

norethindrone food

Applies to: estradiol / norethindrone / relugolix

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.

Medical Disclaimer