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150 mg/day or 200 mg twice daily Finasteride: Propecia: 5αR inhibitor: Oral: 1–5 mg/day Dutasteride: Avodart: 5αR inhibitor: Oral: 0.25–0.5 mg/day Progesterone: Prometrium [c] Progestogen: Oral: 100–400 mg/day Medroxyprogesterone acetate: Provera: Progestogen: Oral: 2.5–40 mg/day Depo-Provera: Progestogen: IM: 150 mg every 3 mos: Depo ...
MPA has been studied at "massive" dosages of up to 5,000 mg per day orally and 2,000 mg per day via intramuscular injection, without major tolerability or safety issues described. [ 122 ] [ 123 ] [ 124 ] Overdose is not described in the Food and Drug Administration (FDA) product labels for injected MPA (Depo-Provera or Depo-SubQ Provera 104).
Progesterone is used as part of hormone replacement therapy in people who have low progesterone levels, and for other reasons. For purposes of comparison with normal physiological circumstances, luteal phase levels of progesterone are 4 to 30 ng/mL, while follicular phase levels of progesterone are 0.02 to 0.9 ng/mL, menopausal levels are 0.03 to 0.3 ng/mL, and levels of progesterone in men ...
Two types of female oral contraceptive pill, taken once per day, are widely available: The combined oral contraceptive pill contains estrogen and a progestin; colloquially known as "the Pill". The progestogen-only pill, colloquially known as "minipill". For perfect use it is 99% effective and typical use is 91% effective.
There is a case report of progesterone misuse with an oral dosage of 6,400 mg per day. [137] Administration of as much as 500 mg progesterone by intravenous infusion in humans was uneventful in terms of toxicity, but did induce deep sleep, though the individuals were still able to be awakened with sufficient stimulation. [119] [17] [120] [121]
The duration of progestogen therapy should be at least 14 days per cycle to prevent endometrial disease. [52] Endometrial cancer has been grouped into two forms in the context of hormone replacement. Type 1 is the most common, can be associated with estrogen therapy, and is usually low grade.
Progestogens share the common feature of being able to bind to the body's progesterone receptors and enact a physiological effect similar to naturally occurring progesterone. [11] Still, there are differences between progestogens, and various organizational systems exist to categorize the progestogen hormones used in oral contraception medications.
NETA is a progestin, or a synthetic progestogen, and hence is an agonist of the progesterone receptor, the biological target of progestogens like progesterone. [1] It has weak androgenic and estrogenic activity and no other important hormonal activity. [1] [8] The medication is a prodrug of norethisterone in the body. [9] [10]