ORIAHNN is a combination of elagolix, a gonadotropin-releasing hormone (GnRH) receptor antagonist, estradiol, an estrogen, and norethindrone acetate, a progestin, indicated for the management of heavy menstrual bleeding associated with uterine leiomyomas (fibroids) in premenopausal women.
Norethisterone, the active substance of Norethisterone tablets, belongs to the group of hormonal medicines called progestogen or progesteroids. As witth all progestogens, Norethisterone changes certain actions of oestrogens and it can be used in the treatment of menstrual disorders
Dydrogesterone is an orally active progestogen which produces a complete secretory endometrium in an oestrogen primed uterus thereby providing protection for oestrogen induced increased risk for endometrial hyperplasia and / or carcinogenesis