Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate has 57 known drug interactions based on U.S. FDA drug labeling data. Of these, 5 are contraindicated combinations that should be avoided entirely. 7 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Dasabuvir, Ombitasvir, Ombitasvir/Paritaprevir/Ritonavir. Patients taking Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate 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
- 57
- Contraindicated
- 5
- Major
- 7
- Moderate
- 43
Contraindicated (5)
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Dasabuvir— Concomitant Use with HCV Combination Therapy – Liver Enzyme Elevation Co-administration of Tarina Fe 1/20 EQ with HCV dr…
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Ombitasvir— Concomitant Use with HCV Combination Therapy – Liver Enzyme Elevation Co-administration of Tarina Fe 1/20 EQ with HCV dr…
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Ombitasvir/Paritaprevir/Ritonavir— Do not co-administer due to potential for ALT elevations.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Paritaprevir— Concomitant Use with HCV Combination Therapy – Liver Enzyme Elevation Co-administration of Tarina Fe 1/20 EQ with HCV dr…
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Ritonavir— Concomitant Use with HCV Combination Therapy – Liver Enzyme Elevation Co-administration of Tarina Fe 1/20 EQ with HCV dr…
Major (7)
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Carbamazepine— Carbamazepine increases metabolism of ethinyl estradiol and/or norethindrone, which could result in reduced contraceptiv…
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Glecaprevir And Pibrentasvir— Not recommended due to potential for ALT elevations.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Lamotrigine— Oral contraceptives significantly decrease plasma concentrations of lamotrigine.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Phenobarbital— Phenobarbital increases metabolism of ethinyl estradiol and/or norethindrone, which could result in reduced contraceptiv…
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Phenytoin— Phenytoin increases metabolism of ethinyl estradiol and/or norethindrone, which could result in reduced contraceptive ef…
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Rifampin— Rifampin increases metabolism of norethindrone and ethinyl estradiol, reducing contraceptive effectiveness and increasin…
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Troglitazone— Troglitazone reduces plasma concentrations of norethindrone and ethinyl estradiol by approximately 30%, resulting in red…
Moderate (43)
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Acetaminophen— May increase plasma ethinyl estradiol concentrations, possibly by inhibition of conjugation.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Ampicillin— Pregnancy has been reported with concurrent use of ampicillin and oral contraceptives, though clinical studies have not …
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Amprenavir— HIV protease inhibitor (as fos-formulation with ritonavir) that may decrease plasma concentrations of estrogen and/or pr…
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Aprepitant— Enzyme inducer that may decrease plasma concentrations of COCs and potentially diminish contraceptive effectiveness or i…
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Ascorbic Acid— May increase plasma ethinyl estradiol concentrations, possibly by inhibition of conjugation.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Atazanavir— HIV protease inhibitor (with ritonavir) that may increase plasma concentrations of estrogen and/or progestin.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Atorvastatin— Co-administration increases AUC values for ethinyl estradiol by approximately 20%.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Barbiturates— CYP3A4 inducer that may decrease the effectiveness of COCs or increase breakthrough bleeding.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Bosentan— CYP3A4 inducer that may decrease the effectiveness of COCs or increase breakthrough bleeding.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Clofibrate— Oral contraceptives may induce conjugation of clofibric acid, increasing its clearance.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Cyclosporine— Oral contraceptives may inhibit metabolism of cyclosporine, increasing its plasma concentrations.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Darunavir— HIV protease inhibitor (with ritonavir) that may decrease plasma concentrations of estrogen and/or progestin.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Etravirine— Non-nucleoside reverse transcriptase inhibitor that may increase plasma concentrations of estrogen and/or progestin.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Felbamate— CYP3A4 inducer that may decrease the effectiveness of COCs or increase breakthrough bleeding.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Fluconazole— CYP3A4 inhibitor that may increase plasma hormone concentrations.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Fosamprenavir— HIV protease inhibitor that may decrease plasma concentrations of estrogen and/or progestin.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Grapefruit Juice— CYP3A4 inhibitor that may increase plasma hormone concentrations.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Griseofulvin— CYP3A4 inducer that may decrease the effectiveness of COCs or increase breakthrough bleeding.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Indinavir— HIV protease inhibitor that may increase plasma concentrations of estrogen and/or progestin.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Itraconazole— CYP3A4 inhibitor that may increase plasma hormone concentrations.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Ketoconazole— CYP3A4 inhibitor that may increase plasma hormone concentrations.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Lopinavir— HIV protease inhibitor (with ritonavir) that may decrease plasma concentrations of estrogen and/or progestin.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Mao Inhibitors— May cause significant increases or decreases in plasma levels of estrogen and progestin, potentially decreasing contrace…
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Morphine— Oral contraceptives may induce conjugation of morphine, increasing its clearance.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Nelfinavir— HIV protease inhibitor that may decrease plasma concentrations of estrogen and/or progestin.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Nevirapine— Non-nucleoside reverse transcriptase inhibitor that may decrease plasma concentrations of estrogen and/or progestin.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Oxcarbazepine— CYP3A4 inducer that may decrease the effectiveness of COCs or increase breakthrough bleeding.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Phenylbutazone— Phenylbutazone may reduce contraceptive effectiveness and increase incidence of breakthrough bleeding.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Prednisolone— Oral contraceptives may inhibit metabolism of prednisolone, increasing its plasma concentrations.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Protease Inhibitors— May cause significant increases or decreases in plasma levels of estrogen and progestin, potentially decreasing contrace…
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Rifabutin— Enzyme inducer that may decrease plasma concentrations of COCs and potentially diminish contraceptive effectiveness or i…
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Rosuvastatin— Co-administration increases AUC values for ethinyl estradiol by approximately 20-25%.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Rufinamide— Enzyme inducer that may decrease plasma concentrations of COCs and potentially diminish contraceptive effectiveness or i…
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Salicylic Acid— Oral contraceptives may induce conjugation of salicylic acid, increasing its clearance.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + St. John'S Wort— CYP3A4 inducer that may decrease the effectiveness of COCs or increase breakthrough bleeding.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Temazepam— Oral contraceptives may induce conjugation of temazepam, increasing its clearance.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Tetracycline— Pregnancy has been reported with concurrent use of tetracycline and oral contraceptives, though clinical studies have no…
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Theophylline— Oral contraceptives may inhibit metabolism of theophylline, increasing its plasma concentrations.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Thyroid Hormones— Women on thyroid hormone replacement may need increased doses because serum concentration of thyroid-binding globulin in…
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Tipranavir— HIV protease inhibitor (with ritonavir) that may decrease plasma concentrations of estrogen and/or progestin.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Tizanidine— COCs containing ethinyl estradiol may inhibit metabolism and increase plasma concentrations.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Topiramate— CYP3A4 inducer that may decrease the effectiveness of COCs or increase breakthrough bleeding.
- Norethindrone Acetate, Ethinyl Estradiol And Ferrous Fumarate + Voriconazole— CYP3A4 inhibitor that may increase plasma hormone concentrations; COCs may also increase voriconazole plasma concentrati…