Hello, Anon. Thank you for writing.
Norethisterone 5mg tablets (Primolut N, Utovlan) are prescribed to treat various menstrual problems, including painful, heavy or irregular periods, endometriosis and premenstrual syndrome (PMS). Norethisterone 5mg tablets can also be prescribed to delay your period.
You take norethisterone either on selected days during your menstrual cycle or continuously, depending on the reason you're taking it. Always follow your doctor's dosing instructions.