Etonogestrel and ethinyl estradiol and Levonorgestrel and ethinyl estradiol interaction
Etonogestrel and ethinyl estradiol and Levonorgestrel 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 Etonogestrel and ethinyl estradiol (Etonogestrel/Ethinyl Estradiol) label · effective 2025-02-26
WARNING: CIGARETTE SMOKING AND SERIOUS CARDIOVASCULAR EVENTS Cigarette smoking increases the risk of serious cardiovascular events from combination hormonal contraceptive (CHC) use.
Cigarette smoking increases the risk of serious cardiovascular events from combination hormonal contraceptive (CHC) use.
Effects of CHCs on Other Drugs CHCs containing ethinyl estradiol may inhibit the metabolism of other compounds (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole) and increase their plasma concentrations.
Consider an alternate contraceptive method for women with uncontrolled dyslipidemia.
In these studies, which were required or sponsored by regulatory agencies, Etonogestrel/Ethinyl Estradiol Vaginal Ring users had a risk of VTE similar to Combined Oral Contraceptives (COCs) users (see Table 1 for adjusted hazard ratios).
From the Levonorgestrel and ethinyl estradiol (Tyblume) label · effective 2026-08-27
…symptoms, migraine headaches with aura, or over age 35 with any migraine headaches [see Warnings and Precautions (5.7) ] Current or history of breast cancer or other estrogen- or progestin-sensitive cancer Liver tumors, acute viral hepatitis, or severe (decompensated) cirrhosis [see Warnings and Precautions (5.2) ] Undiagnosed abnormal uterine bleeding [see…
Breast cancer or other estrogen- or progestin-sensitive cancer.
Effects of Other Drugs on Combined Hormonal Contraceptives Substances decreasing the Plasma Concentration of CHCs and Potentially Diminishing the Efficacy of CHCs Table 3 Significant Drug Interactions Involving Substances That Affect CHCs a Induction potency of St.
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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.