MPA is almost exclusively eliminated via hepatic metabolism. (Medroxyprogesterone acetate should not be used during pregnancy.

(See BOXED WARNINGS and Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.The following adverse reactions have been reported in women taking progestins, including medroxyprogesterone acetate tablets, without concomitant estrogens treatment:Abnormal uterine bleeding (irregular, increase, decrease), change in menstrual flow, breakthrough bleeding, spotting, amenorrhea, changes in cervical erosion and cervical secretions.Breast tenderness, mastodynia or galactorrhea has been reported.Thromboembolic disorders including thrombophlebitis and pulmonary embolism have been reported.Sensitivity reactions consisting of urticaria, pruritus, edema and generalized rash have occurred. A woman without a uterus does not need progestin. In addition, each tablet contains the following inactive ingredients: crospovidone, lactose monohydrate, magnesium stearate, methylcellulose, pregelatinized starch, and sodium lauryl sulfate.Medroxyprogesterone acetate (MPA) administered orally or parenterally in the recommended doses to women with adequate endogenous estrogen, transforms proliferative into secretory endometrium.

Si vous avez des antécédents de coagulation, vous pourriez courir un risque accru d'avoir des problèmes liés à des caillots de sang comme une crise cardiaque, un accident vasculaire cérébral ou des caillots dans les veines profondes d'une jambe. On ignore si les réactions indésirables sont aussi susceptibles de se produire si la médroxyprogestérone est prise seule ou avec des médicaments utilisés pour traiter le cancer.

Sorry, you need to enable JavaScript to visit this website. It is used as a method of birth control and as a part of menopausal hormone therapy. In both studies, MPA was quantified in serum using a validated gas chroma- tography-mass spectrometry (GC-MS) method. Number (%) of Endometrial Biopsy Changes Since Baseline After 3 Years of Treatment*Table 3. Medroxyprogesterone Acetate Tablets USP contain medroxyprogesterone acetate, USP which is a derivative of progesterone. MPA is rapidly absorbed from the gastrointestinal tract, and maximum MPA concentrations are obtained between 2 to 4 hours after oral administration.Administration of medroxyprogesterone acetate with food increases the bioavailability of MPA. There was no evidence of a carcinogenic effect associated with the oral administration of medroxyprogesterone acetate to rats and mice.

Observational studies have also reported an increased risk of breast cancer for estrogen plus progestin therapy, and a smaller increased risk for estrogen alone therapy, after several years of use. There were more CHD events in the CE/MPA-treated group than in the placebo group in year 1, but not during the subsequent years. All women should receive yearly breast examinations by a health care provider and perform monthly breast self-examinations. The following laboratory results may be altered by the use of estrogen plus progestin therapy:Long-term intramuscular administration of medroxyprogesterone acetate has been shown to produce mammary tumors in beagle dogs.

Two thousand three hundred and twenty one (2,321) women from the original HERS trial agreed to participate in an open label extension of HERS, HERS II.

33261-534-30, Do not give your pet two doses at once.Medroxyprogesterone Acetate may result in these side effects:DO NOT ADMINISTER THIS DRUG TO PREGNANT OR LACTATING PETS USE CAUTION WHEN ADMINISTERING THIS DRUG TO PETS IN HEATUSE CAUTION WHEN ADMINISTERING THIS DRUG TO DIABETIC PETS At smaller doses, it may slightly alter your pet’s behavior.