Duphaston Dosage/Direction for Use

Dosages, treatment schedule and duration of treatment may be adapted to the severity of the dysfunction and the clinical response.
Symptomatic relief of mild to moderate vasomotor symptoms associated with menopause; prevention of postmenopausal osteoporosis; Continuous sequential therapy: An oestrogen is dosed continuously and one tablet of 10 mg dydrogesterone is added for the last 14 days of every 28 day cycle, in a sequential manner.
Cyclic therapy: When an oestrogen is dosed cyclically with a treatment-free interval, usually 21 days on and 7 days off. One tablet of 10 mg dydrogesterone is added for the last 12 - 14 days of oestrogen therapy.
If ultrasound or endometrial biopsies would reveal inadequate progestational response, 20 mg dydrogesterone should be prescribed.
Dysmenorrhoea: 10 mg twice daily from day 5 to day 25 of the menstrual cycle.
Endometriosis: 10 mg two or three times daily from day 5 to day 25 of the cycle or continuously.
Dysfunctional bleeding (to arrest bleeding): 10 mg twice daily for five to seven days. Duphaston should be given with oestrogen.
Dysfunctional bleeding (to prevent bleeding): 10 mg twice daily from day 11 to day 25 of the cycle. Duphaston should be given with oestrogen.
Amenorrhoea: An oestrogen once daily from day 1 to day 25 of the cycle, together with 10 mg dydrogesterone twice daily from day 11 to day 25 of the cycle.
Irregular cycles: 10 mg twice daily from day 11 to day 25 of the cycle.
Threatened miscarriage: 40 mg at once, then 10 mg every eight hours until symptoms remit.
Habitual miscarriage: 10 mg twice daily until the twentieth week of pregnancy.
Infertility due to luteal insufficiency: 10 mg daily from day 14 to day 25 of the cycle. The treatment should be continued for at least 6 consecutive cycles. It is advisable to continue this treatment during the first months of any pregnancy using the doses stated with respect to habitual miscarriage.
Luteal support as part of an Assisted Reproductive Technology (ART) treatment: 10 mg three times daily (30 mg daily) starting at the day of oocyte retrieval and continuing for 10 weeks if pregnancy is confirmed.
There is no relevant use of dydrogesterone before menarche. The safety and efficacy of dydrogesterone in adolescents aged 12 to 18 years has not been established. Currently available data are described in Adverse Reactions and Pharmacology: Pharmacodynamics under Actions, but no recommendation on a posology can be made.
Method of administration: For oral use.
For administration of higher dosages, the tablets should be taken evenly distributed over the day.