Norestin® tablet is the preparation of Norethisterone which belongs to a group of medicines called progestogens. Norestin works by acting on receptors in the body to mimic or exaggerate the effects of the natural hormone, progesterone.
Norestin Tablet 5 mg
Breast cancer: 40 mg daily increasing to 60 mg daily if no regression is noted.
Contraception: 0.35 mg daily, or 0.5-1 mg daily when combined with oestrogen. As acetate: 0.6 mg daily, or 1-1.5 mg daily when combined with oestrogen.
Premenstrual syndrome: 5 mg tid on days 16-25 of cycle.
Progestogen component of menopausal hormonal replacement therapy: 0.7 mg as a continuous daily dose. As acetate: 1 mg daily for 10-12 days of a 28-day cycle.
Endometriosis: 10-25 mg daily continuously for 4-9 mth. As acetate: 5-15 mg daily, start at 5 mg daily and increase by 2.5 mg at 14 day intervals. Take continuously for 4-9 mth.
Menorrhagia: 10-15 mg daily in a cyclical regimen. Usual dose: 5 mg tid for 10 days as primary treatment, subsequently 5 mg bid on days 19-26 of cycle to prevent recurrence. As acetate: 2.5-10 mg daily in a cyclical regimen, beginning during the assumed latter half of the cycle.
Postponement of menstruation: 5 mg tid starting 3 days before expected onset of menstruation.