Estradiol and dienogest and Norelgestromin and ethinyl estradiol interaction
Estradiol and dienogest and Norelgestromin and ethinyl estradiol: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Norelgestromin and ethinyl estradiol label · effective 2026-04-16
WARNING: CIGARETTE SMOKING AND SERIOUS CARDIOVASCULAR EVENTS and CONTRAINDICATED IN WOMEN WITH A BMI |GTE 30 kg/m2 • Cigarette Smoking and Serious Cardiovascular Events Cigarette smoking increases the risk of serious cardiovascular events from hormonal contraceptive use.
Cigarette smoking increases the risk of serious cardiovascular events from combination hormonal contraceptive (CHC) use.
…Populations ( 8.6 ) and Clinical Pharmacology ( 12.3 )] ● Undiagnosed abnormal uterine bleeding [see Warnings and Precautions ( 5.9 )] ● Pregnancy, because there is no reason to use hormonal contraceptives during pregnancy [see Warnings and Precautions ( 5.10 ) and Use in Specific Populations ( 8.1 )] ● Current diagnosis of, or history of, breast cancer, which…
Breast cancer or other estrogen- or progestin-sensitive cancer ( 4 )
Consider an alternate contraceptive method for women with uncontrolled dyslipidemia.
From the Estradiol and dienogest (Natazia) label · effective 2024-06-26
Effects of Combined Oral Contraceptives on Other Drugs COCs containing ethinyl estradiol may inhibit the metabolism of other compounds.
Effects of Other Drugs on Combined Oral Contraceptives Substances diminishing the efficacy of COCs: Dienogest is a substrate of CYP3A4.
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Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.