Medroxyprogesterone Acetate has 22 known drug interactions based on U.S. FDA drug labeling data. 10 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Bosentan, Carbamazepine, Efavirenz. Patients taking Medroxyprogesterone Acetate 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
- 22
- Major
- 10
- Moderate
- 9
- Minor
- 1
Major (10)
- Medroxyprogesterone Acetate + Bosentan— Moderate CYP3A inducer may decrease medroxyprogesterone acetate concentrations and reduce contraceptive efficacy. Avoid …
- Medroxyprogesterone Acetate + Carbamazepine— Strong CYP3A inducer may decrease medroxyprogesterone acetate concentrations and reduce contraceptive efficacy. Avoid co…
- Medroxyprogesterone Acetate + Efavirenz— Moderate CYP3A inducer may decrease medroxyprogesterone acetate concentrations and reduce contraceptive efficacy. Avoid …
- Medroxyprogesterone Acetate + Etravirine— Moderate CYP3A inducer may decrease medroxyprogesterone acetate concentrations and reduce contraceptive efficacy. Avoid …
- Medroxyprogesterone Acetate + Mitotane— Strong CYP3A inducer may decrease medroxyprogesterone acetate concentrations and reduce contraceptive efficacy. Avoid co…
- Medroxyprogesterone Acetate + Modafinil— Moderate CYP3A inducer may decrease medroxyprogesterone acetate concentrations and reduce contraceptive efficacy. Avoid …
- Medroxyprogesterone Acetate + Phenobarbital— Strong CYP3A inducer may decrease medroxyprogesterone acetate concentrations and reduce contraceptive efficacy. Avoid co…
- Medroxyprogesterone Acetate + Phenytoin— Strong CYP3A inducer may decrease medroxyprogesterone acetate concentrations and reduce contraceptive efficacy. Avoid co…
- Medroxyprogesterone Acetate + Rifampin— Strong CYP3A inducer may decrease medroxyprogesterone acetate concentrations and reduce contraceptive efficacy. Avoid co…
- Medroxyprogesterone Acetate + St. John'S Wort— CYP3A4 inducer may decrease medroxyprogesterone acetate concentrations and reduce contraceptive efficacy. Effect varies …
Moderate (9)
- Medroxyprogesterone Acetate + Barbiturates— May decrease effectiveness of medroxyprogesterone acetate through enzyme induction. Counsel use of back-up or alternativ…
- Medroxyprogesterone Acetate + Felbamate— May decrease effectiveness of medroxyprogesterone acetate through enzyme induction. Counsel use of back-up or alternativ…
- Medroxyprogesterone Acetate + Griseofulvin— May decrease effectiveness of medroxyprogesterone acetate through enzyme induction. Counsel use of back-up or alternativ…
- Medroxyprogesterone Acetate + Macrolide Antibiotics— Reports of pregnancy with hormonal contraceptives and antibiotics exist, though clinical studies show inconsistent effec…
- Medroxyprogesterone Acetate + Mao Inhibitors— Significant changes (increase or decrease) in plasma progestin levels may occur with co-administration.
- Medroxyprogesterone Acetate + Medroxyprogesterone— ( 7 ) 7.1 Effect of Other Drugs on depo-SubQ provera 104 Moderate or Strong CYP3A Inducers Concomitant use with moderate…
- Medroxyprogesterone Acetate + Oxcarbazepine— May decrease effectiveness of medroxyprogesterone acetate through enzyme induction. Counsel use of back-up or alternativ…
- Medroxyprogesterone Acetate + Protease Inhibitors— Significant changes (increase or decrease) in plasma progestin levels may occur with co-administration.
- Medroxyprogesterone Acetate + Topiramate— May decrease effectiveness of medroxyprogesterone acetate through enzyme induction. Counsel use of back-up or alternativ…
Minor (1)
- Medroxyprogesterone Acetate + Estrogens, Conjugated— Pharmacokinetic disposition of both drugs is not altered when coadministered.