MEDROXYPROGESTERONE ACETATE

Medroxyprogesterone acetate is a synthetic progestin used in women's health care to regulate menstrual cycles, manage hormone-related conditions, and provide contraception. It has been in clinical use for several decades. The U.S. Food and Drug Administration approved it in 1959, and it has undergone extensive evaluation in clinical trials regarding its effectiveness and safety across multiple indications. Its pharmacological action as a progestin substitute has established it as a therapeutic option for hormonal management and reproductive health.

Medroxyprogesterone acetate is approved by the FDA for the following conditions: Abnormal uterine bleeding caused by hormonal imbalance Secondary amenorrhea (absence of menstruation) Prevention of endometrial hyperplasia in postmenopausal women taking estrogen Management of endometriosis-related pain (in certain forms) As a contraceptive injection (Depo-Provera) Palliative treatment of advanced endometrial or kidney cancer

Medroxyprogesterone acetate is available in both oral tablets and injectable forms. The tablet is usually taken once daily for a specific number of days in a month, depending on the condition being treated. The injectable form (known as Depo-Provera) is given as an intramuscular injection every three months for birth control. Available tablet strengths include 2.5 mg, 5 mg, and 10 mg, while the injection is typically given as a 150 mg dose.

Common side effects: Irregular menstrual periods or spotting Headache Nausea Breast tenderness Weight changes Mood swings Acne or skin issues Serious side effects (require immediate medical attention): Sudden vision changes or eye pain Chest pain or shortness of breath Severe headache or dizziness Swelling in the legs or unexplained pain Yellowing of the skin or eyes (possible liver issues) Unusual vaginal bleeding Always report any unusual or persistent symptoms to a healthcare provider.

Do not use if you have a history of blood clots, stroke, or liver disease Avoid if diagnosed with breast cancer or undiagnosed vaginal bleeding Caution with long-term use due to the risk of bone thinning (especially with the injectable form) Interacts with medications like rifampin, phenytoin, or carbamazepine, which may reduce its effectiveness Not recommended during pregnancy unless prescribed by a doctor

Before starting treatment, inform your doctor if you have a history of depression, migraines, diabetes, or high blood pressure. Women using the injection for long-term birth control should regularly monitor their bone health, especially teenagers and young adults. If you're a smoker, especially over the age of 35, the risk of serious side effects may increase. It is important to undergo regular check-ups and follow-up scans or tests, as advised by your healthcare provider.

Regular timing is essential with medroxyprogesterone acetate. For oral tablets, take the dose at the same time each day. For intramuscular injections, schedule follow-up appointments every 12 weeks. During treatment, ensure adequate intake of calcium and vitamin D to maintain bone density. Avoid smoking and minimise alcohol use. Inform all healthcare providers that you are receiving hormonal therapy, particularly before undergoing surgical procedures or diagnostic investigations.

https://go.drugbank.com/drugs/DB00603 https://www.ncbi.nlm.nih.gov/books/NBK559192/ https://www.drugs.com/medroxyprogesterone.html https://www.nhs.uk/medicines/medroxyprogesterone-tablets/about-medroxyprogesterone-tablets/