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What is a generic pill?
Very often our web site visitors ask us about generic medications. In this section we have placed some useful information about generic pills in general and about the ones we have in our product list.
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Product
Generic Aygestin
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| Urinary Tract, Womens Health, Antidepressants | |
| Package | Per Pill | Price | Order |
|---|---|---|---|
| 5mg × 30 pills | $1.30 | $38.95 | + BUY NOW |
| 5mg × 60 pills | $1.22 | $72.95 | + BUY NOW |
| 5mg × 90 pills | $1.05 | $94.95 | + BUY NOW |
| 5mg × 120 pills | $0.97 | $115.95 | + BUY NOW |
| 5mg × 180 pills | $0.86 | $154.95 | + BUY NOW |
Aygestin
Generic name: Norethindrone
Description: Norethindrone is a synthetic oral progestin. It is used for contraception or to treat such conditions as secondary amenorrhea, abnormal uterine bleeding, and endometriosis. As an oral contraceptive, norethindrone is available as either a single agent or in combination with an estrogen. Progestin-only formulations or "mini-pills" of norethindrone are not widely used because of increased incidence of certain side effects such as irregular, unpredictable spotting and breakthrough bleeding. Progestin-only contraceptives have a higher risk of failure compared to estrogen-progestin combinations because of variable suppression of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) in low-dose progestin-only regimens. Norethindrone was approved by the FDA in 1961. An implant dosage form for contraception is under investigation.
Mechanism of Action: The primary contraceptive effect of progestins involves the suppression of the midcycle surge of LH. The exact mechanism of action, however, is unknown. At the cellular level, progestins diffuse freely into target cells and bind to the progesterone receptor. Target cells include the female reproductive tract, the mammary gland, the hypothalamus, and the pituitary. Once bound to the receptor, progestins slow the frequency of release of gonadotropin releasing hormone (GnRH) from the hypothalamus and blunt the pre-ovulatory LH surge, thereby preventing follicular maturation and ovulation. Overall, progestin-only contraceptives prevent ovulation in 70.80% of cycles, however, the clinical effectiveness ranges 96.98%. This suggests that additional mechanisms may be involved. Other actions of norethindrone include alterations in the endometrium that can impair implantation and an increase in cervical mucus viscosity which inhibits sperm migration into the uterus. The administration of norethindrone to women with adequate estrogen production transforms the uterus from a proliferative to a secretory phase. Norethindrone has minimal estrogenic, androgenic, and anabolic activity.
Pharmacokinetics: Norethindrone is administered orally. Pharmacokinetic parameters for norethindrone are poorly understood. Norethindrone is moderately bound to plasma proteins. It is hepatically metabolized and eliminated in both the urine and the feces. The elimination half-life of norethindrone is about 10 hours.
What is the shelf life of the pills?
- The expiry date is mentioned on each blister. It is different for different batches. The shelf life is 2 years from the date of manufacture and would differ from batch to batch depending on when they were manufactured.