Norelgestromin And Ethinyl Estradiol has 46 known drug interactions based on U.S. FDA drug labeling data. Notable interactions include combinations with Acetaminophen, Amprenavir, Aprepitant. Patients taking Norelgestromin And Ethinyl Estradiol should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.
- Total
- 46
- Moderate
- 42
Moderate (42)
- Norelgestromin And Ethinyl Estradiol + Acetaminophen— May increase plasma ethinyl estradiol concentrations, possibly by inhibition of conjugation.
- Norelgestromin And Ethinyl Estradiol + Amprenavir— HIV protease inhibitor (with ritonavir) that may decrease plasma concentrations of estrogen and/or progestin.
- Norelgestromin And Ethinyl Estradiol + Aprepitant— Enzyme inducer that may decrease plasma concentrations of CHCs and potentially diminish effectiveness or increase breakt…
- Norelgestromin And Ethinyl Estradiol + Ascorbic Acid— May increase plasma ethinyl estradiol concentrations, possibly by inhibition of conjugation.
- Norelgestromin And Ethinyl Estradiol + Atazanavir— HIV protease inhibitor (with ritonavir) that may increase plasma concentrations of estrogen and/or progestin.
- Norelgestromin And Ethinyl Estradiol + Atorvastatin— Co-administration increases AUC values for ethinyl estradiol by approximately 20-25%.
- Norelgestromin And Ethinyl Estradiol + Barbiturates— Enzyme inducers that may decrease plasma concentrations of CHCs and potentially diminish effectiveness or increase break…
- Norelgestromin And Ethinyl Estradiol + Bosentan— Enzyme inducer that may decrease plasma concentrations of CHCs and potentially diminish effectiveness or increase breakt…
- Norelgestromin And Ethinyl Estradiol + Carbamazepine— Enzyme inducer that may decrease plasma concentrations of CHCs and potentially diminish effectiveness or increase breakt…
- Norelgestromin And Ethinyl Estradiol + Clofibrate— CHCs have been shown to decrease plasma concentrations of clofibric acid.
- Norelgestromin And Ethinyl Estradiol + Cyclosporine— CHCs may inhibit metabolism and increase plasma concentrations of cyclosporine.
- Norelgestromin And Ethinyl Estradiol + Darunavir— HIV protease inhibitor (with ritonavir) that may decrease plasma concentrations of estrogen and/or progestin.
- Norelgestromin And Ethinyl Estradiol + Etravirine— Non-nucleoside reverse transcriptase inhibitor that may increase plasma concentrations of estrogen and/or progestin.
- Norelgestromin And Ethinyl Estradiol + Felbamate— Enzyme inducer that may decrease plasma concentrations of CHCs and potentially diminish effectiveness or increase breakt…
- Norelgestromin And Ethinyl Estradiol + Fluconazole— CYP3A4 inhibitor that may increase plasma hormone concentrations.
- Norelgestromin And Ethinyl Estradiol + Fosamprenavir— HIV protease inhibitor that may decrease plasma concentrations of estrogen and/or progestin when used with ritonavir.
- Norelgestromin And Ethinyl Estradiol + Grapefruit Juice— CYP3A4 inhibitor that may increase plasma hormone concentrations.
- Norelgestromin And Ethinyl Estradiol + Griseofulvin— Enzyme inducer that may decrease plasma concentrations of CHCs and potentially diminish effectiveness or increase breakt…
- Norelgestromin And Ethinyl Estradiol + Indinavir— HIV protease inhibitor that may increase plasma concentrations of estrogen and/or progestin.
- Norelgestromin And Ethinyl Estradiol + Itraconazole— CYP3A4 inhibitor that may increase plasma hormone concentrations.
- Norelgestromin And Ethinyl Estradiol + Ketoconazole— CYP3A4 inhibitor that may increase plasma hormone concentrations.
- Norelgestromin And Ethinyl Estradiol + Lopinavir— HIV protease inhibitor (with ritonavir) that may decrease plasma concentrations of estrogen and/or progestin.
- Norelgestromin And Ethinyl Estradiol + Lopinavir And Ritonavir— HIV protease inhibitor that may decrease plasma concentrations of estrogen and/or progestin.
- Norelgestromin And Ethinyl Estradiol + Morphine— CHCs have been shown to decrease plasma concentrations of morphine.
- Norelgestromin And Ethinyl Estradiol + Nelfinavir— HIV protease inhibitor that may decrease plasma concentrations of estrogen and/or progestin.
- Norelgestromin And Ethinyl Estradiol + Nevirapine— Non-nucleoside reverse transcriptase inhibitor that may decrease plasma concentrations of estrogen and/or progestin.
- Norelgestromin And Ethinyl Estradiol + Oxcarbazepine— Enzyme inducer that may decrease plasma concentrations of CHCs and potentially diminish effectiveness or increase breakt…
- Norelgestromin And Ethinyl Estradiol + Phenytoin— Enzyme inducer that may decrease plasma concentrations of CHCs and potentially diminish effectiveness or increase breakt…
- Norelgestromin And Ethinyl Estradiol + Prednisolone— CHCs may inhibit metabolism and increase plasma concentrations of prednisolone.
- Norelgestromin And Ethinyl Estradiol + Rifabutin— Enzyme inducer that may decrease plasma concentrations of CHCs and potentially diminish effectiveness or increase breakt…
- Norelgestromin And Ethinyl Estradiol + Rifampin— Enzyme inducer that may decrease plasma concentrations of CHCs and potentially diminish effectiveness or increase breakt…
- Norelgestromin And Ethinyl Estradiol + Ritonavir— HIV protease inhibitor that may decrease plasma concentrations of estrogen and/or progestin.
- Norelgestromin And Ethinyl Estradiol + Rosuvastatin— Co-administration increases AUC values for ethinyl estradiol by approximately 20-25%.
- Norelgestromin And Ethinyl Estradiol + Rufinamide— Enzyme inducer that may decrease plasma concentrations of CHCs and potentially diminish effectiveness or increase breakt…
- Norelgestromin And Ethinyl Estradiol + Salicylic Acid— CHCs have been shown to decrease plasma concentrations of salicylic acid.
- Norelgestromin And Ethinyl Estradiol + St. John'S Wort— Herbal product that induces CYP3A4 and may decrease plasma concentrations of CHCs and diminish effectiveness or increase…
- Norelgestromin And Ethinyl Estradiol + Temazepam— CHCs have been shown to decrease plasma concentrations of temazepam.
- Norelgestromin And Ethinyl Estradiol + Theophylline— CHCs may inhibit metabolism and increase plasma concentrations of theophylline.
- Norelgestromin And Ethinyl Estradiol + Tipranavir— HIV protease inhibitor (with ritonavir) that may decrease plasma concentrations of estrogen and/or progestin.
- Norelgestromin And Ethinyl Estradiol + Tizanidine— CHCs may inhibit metabolism and increase plasma concentrations of tizanidine.
- Norelgestromin And Ethinyl Estradiol + Topiramate— Enzyme inducer that may decrease plasma concentrations of CHCs and potentially diminish effectiveness or increase breakt…
- Norelgestromin And Ethinyl Estradiol + Voriconazole— CYP3A4 inhibitor that may increase plasma hormone concentrations.