Menopausal hormone replacement therapy
Adult: 25 or 50 mcg daily for 12 days of a 28-day cycle.
Oral
Part of combined oral contraceptive
Adult: 75 mcg daily in monophasic preparations, 50-100 mcg daily in triphasic preparations.
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Chỉ định và Liều dùng
Oral
Menopausal hormone replacement therapy Adult: 25 or 50 mcg daily for 12 days of a 28-day cycle. Oral Part of combined oral contraceptive Adult: 75 mcg daily in monophasic preparations, 50-100 mcg daily in triphasic preparations.
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Cách dùng
May be taken with or without food.
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Chống chỉ định
Porphyria. Undiagnosed vaginal bleeding, history or current high risk of arterial disease and severe hepatic impairment.
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Thận trọng
CV or renal impairment, asthma, epilepsy, and migraine, or other conditions which may be aggravated by fluid retention. History of depression. High doses should be used with caution in patients susceptible to thromboembolism. Monitor seum lipids regularly. May affect blood glucose control in diabetics.
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Tác dụng không mong muốn
GI disturbances, changes in appetite or wt, fluid retention, oedema, acne, chloasma (melasma), allergic skin rashes, urticaria, mental depression, breast changes including discomfort or occasionally gynaecomastia, changes in libido, hair loss, hirsutism, fatigue, drowsiness or insomnia, fever, headache, premenstrual syndrome-like symptoms and altered menstrual cycles.
Potentially Fatal: Anaphylaxis. |
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Tương tác
Increased clearance when used with felbamate. Enzyme-inducers e.g. carbamazepine, griseofulvin, phenobarbital, phenytoin, and rifampicin may enhance the clearance of gestodene. May inihibit ciclosporin metabolism.
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Tác dụng
Description:
Mechanism of Action: Gestodene is a progestogen that is structurally related to levonorgestrel. Pharmacokinetics: Absorption: Well absorbed with a high bioavailability after oral admin. Distribution: Extensively bound to plasma proteins (75-87% to sex hormone binding globulin, and 13-24% to albumin). Metabolism: Hepatically metabolised. Excretion: <1% excreted unchanged in the urine. |
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Bảo quản
Store below 25°C.
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Phân loại MIMS
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