Norethisterone

Progestogen · Progestogen

Indications

Postponement of menstruation. Dysmenorrhoea, menorrhagia and pre-menstrual syndrome. Metropathia haemorrhagic, polymenorrhoea. Endometriosis.

Dosage

Adults: Postponement of menses: 1 tab three times daily starting 3 days before expected onset of menses. Dysmenorrhoea: 1 tab three times daily for 20 days starting on fifth day of menses, then 8 tablet-free days. Maintain treatment for 3 or 4 cycles. Menorrhagia and pre-menstrual syndrome: 1 tab twice or three times daily from day 19-26 of cycle. Children: Not applicable.

Adverse Effects

Liver disturbances, virilization.

Risk Factor (Pregnancy/Lactation)

Contraindications: Pregnancy, severe liver dysfunction, history during pregnancy of general pruritus or idiopathic jaundice, Dubin-Johnson and Rotor syndromes. Precautions: Epilepsy, migraine.

Pharmacokinetics

Absorption: Rapidly and completely absorbed. Metabolism: Hepatic. Half-life elimination: 5-12 hrs. Time to peak, plasma: 1-3 hrs. Excretion: Urine (>50%) and faeces (20%-40%).

Brands with this active ingredient

• Geogynon
• Gynorit
• Just-N
• Noregyn
• Norsteron
• Ovataz
• Penorit
• Primolut N

Compiled by Healify Pharmacy from published drug references. How we compile it →

Always consult a pharmacist or doctor.