About norethind rone
Progestin hormone
Used for
- Treating absent or irregular menstrual periods
- Managing heavy or painful periods and endometriosis
- Delaying menstruation
- Treating abnormal uterine bleeding
Usual adult dose
Often 5 mg two or three times daily for 5–10 days; schedules vary by condition.
Common side effects
- Spotting or changes in menstrual bleeding
- Headache or dizziness
- Nausea or abdominal discomfort
- Breast tenderness or mood changes
Important warnings
- Not a contraceptive; pregnancy should be excluded before treatment.
- Avoid with current or previous blood clots, severe liver disease, or unexplained vaginal bleeding.
- Seek urgent care for chest pain, breathlessness, sudden severe headache, or leg swelling.
- May affect blood sugar and fluid retention.
Pregnancy
Do not use during pregnancy; it is not intended to prevent pregnancy.
Breastfeeding
Use only with medical guidance; norethisterone may pass into breast milk.
Interactions
- Some seizure medicines, rifampicin, and St John’s wort may reduce its effect.
- Some HIV or hepatitis medicines may alter its levels.
- Tell a clinician about all medicines, including herbal products.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.