Provera?(generic name:?medroxyprogesterone) is a medication used to treat various conditions related to the female reproductive system. Here are the details you requested:
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Provera is a form of?progesterone, a hormone.
It is commonly prescribed for the following purposes:

Treating?absent or irregular menstrual periods.
Managing?abnormal uterine bleeding.
Decreasing the risk of?endometrial hyperplasia?(a condition that may lead to uterine cancer) while taking estrogens.

Additionally, it may have other uses not listed in this medication guide.
Dosage:

The typical dosage of Provera depends on the specific condition being treated and individual patient factors.
It is usually taken?orally?in tablet form.
Dosages may vary, but common starting doses include:

Absent or irregular menstrual periods: 5 to 10 milligrams daily for 5 to 10 days.
Abnormal uterine bleeding: 5 to 10 milligrams daily for 5 to 10 days.
Endometrial hyperplasia prevention: 5 to 10 milligrams daily for 12 to 14 days each month.

Always follow your doctor?s instructions regarding dosage and duration.
Side Effects:
Common side effects?of Provera include:

Spotting?or?breakthrough bleeding.
Changes in menstrual periods (including missed periods).
Vaginal itching or discharge.
Headache, dizziness, feeling nervous, or depressed.
Breast pain, tenderness, or discharge.
Stomach discomfort, bloating, nausea, and vomiting.

Remember that this is not an exhaustive list, and other side effects may occur.?If you experience any unusual symptoms while taking Provera, consult your doctor promptly.