Dosage & When it is to be taken

Drug dosage varies as per the medical condition.

Painful menstruation and irregular menstrual periods: 10 mg twice daily from starting from the 5th day of the menstrual cycle to the 25th day.
Endometriosis: 10 mg twice or thrice daily starting from the 5th day of the menstrual cycle to the 25th day.
Dysfunctional bleeding/ unexpected bleeding:
10 mg twice daily for a week for stopping bleeding.
10 mg twice daily starting from the 11th day of the menstrual cycle to 25th day to prevent heavy bleeding.
Secondary Amenorrhea: Should be given in combination with estrogen therapy. 10 mg twice daily starting from the 11th day of the menstrual cycle to the 25th day.
Abortion: In case of threatened abortion, 40 mg immediately and then 10 mg doses repeated every 8 hours till remission.
In case of habitual abortion, 10 mg once daily till 12th week of pregnancy.
Infertility: 10 mg once daily from 14th day of menstrual cycle to 25th day.
In post-menopausal conditions: Should be given in combination with estrogen therapy in a dose of 2.5 mg to 10 mg once daily as per the severity of the condition.

When it is not to be taken (Contraindications)

Contraindicated in patients with undiagnosed, abnormal vaginal bleeding, blood clot disorder, stroke, incomplete abortion, breast cancer, brain cancer, breastfeeding mothers, liver dysfunction, and hypersensitivity.
The drug is contraindicated in children under age 18 years.
While the drug is useful in sustaining pregnancy in patients with recurrent abortion, the drug is contraindicated in pregnant patients who are not at any risk of abortion or in patients with advanced pregnancy.

Drug Name : Dydrogesterone

Menstrual disorders: Since the drug supports normal growth and shedding of the uterine lining, it is used for treating menstrual disorders like absent or irregular menstruation, painful menstruation, secondary amenorrhea and premenstrual symptoms.