Drospirenone and ethinyl estradiol and Medroxyprogesterone interaction
Drospirenone and ethinyl estradiol and Medroxyprogesterone: 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 Medroxyprogesterone (medroxyprogesterone acetate) label · effective 2026-02-23
• MPA Injectable Suspension, USP is not recommended as a long-term (i.e., longer than 2 years) birth control method unless other options are considered inadequate [see Indications and Usage (1) and Warnings and Precautions (5.1) ] .
The use of MPA Injectable Suspension, USP is not recommended as a long-term (i.e., longer than 2 years) birth control method unless other options are considered inadequate.
Loss of Bone Mineral Density Use of MPA Injectable Suspension, USP reduces serum estrogen levels and is associated with significant loss of bone mineral density (BMD).
Other birth control methods should be considered in the risk/benefit analysis for the use of MPA Injectable Suspension, USP in women with osteoporosis risk factors.
Cancer Risks Breast Cancer Women who have or have had a history of breast cancer should not use hormonal contraceptives, including MPA Injectable Suspension, USP, because breast cancer may be hormonally sensitive [see Contraindications (4) ].
From the Drospirenone and ethinyl estradiol (Yaz) label · effective 2025-05-29
…available in the US during the conduct of the study Includes low-dose COCs containing the following progestins: norgestimate, norethindrone, levonorgestrel, desogestrel, norgestrel, medroxyprogesterone, or ethynodiol diacetate HR: 0.9 (0.5-1.6) EURAS (Dinger 2007) Initiators, including new users All COCs available in Europe during the conduct of the study Includes…
COCs containing DRSP may be associated with a higher risk of venous thromboembolism (VTE) than COCs containing levonorgestrel or some other progestins.
Effects of Other Drugs on Combined Oral Contraceptives Substances diminishing the efficacy of COCs: Drugs or herbal products that induce certain enzymes, including cytochrome P450 3A4 (CYP3A4), may decrease the effectiveness of COCs or increase breakthrough bleeding.
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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.