Norethisterone
Composition
Contains Norethisterone (also known as Norethindrone), a synthetic progestin.
Indications
Used for contraception, treatment of menstrual disorders, endometriosis, and delay of menstruation.
Side effects
Nausea, headache, breast tenderness, mood changes, breakthrough bleeding.
Precautions
Use cautiously in patients with a history of thromboembolism, liver disease, or hormone-sensitive cancers.
Contraindications
Known or suspected pregnancy, active thromboembolic disorders, severe liver disease, hormone-sensitive cancers.
Dosage and administration
Typically 0.35–5 mg daily depending on indication and formulation.
Countries
Mexico, Brazil
Available Forms
Oral tablets