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Norethisterone 350mcg

Drug Class: Commonly Known As: Category:
Contraceptive Noriday® Adult

Norethisterone 350mcg - Side Effects, Precautions, and Contraindications

What side effects can Norethisterone 350mcg cause?

  • Menstrual irregularities e.g. irregular bleeding, heavy menstruation, spotting between menstrual cycles, delayed or not having a menstrual cycle.
  • Inform your doctor if
    • you do not have a menstrual cycle because there is a need to rule out pregnancy
    • you are having heavy and continuous bleeding as it may lead to anaemia
    • If you are having any other abnormal vaginal bleeding
  • Stomach discomfort e.g. nausea, vomiting.
    • Take the medication after food to reduce these side effects.
  • Breast tenderness
  • Headache and dizziness
    • You may take Paracetamol to manage headaches. Avoid activities that require mental alertness and avoid using heavy machineries.
    • Avoid driving or engaging in activities that require concentration

Consult your doctor if these side effects become bothersome.

If you experience any of the following serious side effects, stop taking the medication and see a doctor immediately

  • Very bad, unusual headache
  • Sudden changes to your sight or speech
  • Very bad pain in your chest
  • Unusual pain or swelling of your legs
  • Dark urine or light coloured stools, nausea, vomiting, loss of appetite, stomach pain, yellowing of your eyes or skin

The symptoms of a drug allergy include one or more of the following:

  • Swollen face/eyes/lips/tongue
  • Difficulty in breathing
  • Itchy skin rashes over your whole body

If you experience any of the above symptoms, you should stop your medication and see your healthcare professional immediately.

Before taking Norethisterone 350mcg, what precautions must I follow?

​Inform your healthcare professional if:

  • You are allergic to this medication or any of the other ingredients of this medication
  • You are pregnant, planning to become pregnant, or breastfeeding
  • You are taking any other medications, including supplements, traditional medications and herbal remedies.
  • You have a history of or current medical conditions such as liver problems, stroke, heart disease, migraine headaches, epilepsy, diabetes or cancer

If you are seeing other healthcare professionals for any other medical conditions, inform them that you are taking this medication.

What food or medicine must I avoid when I take Norethisterone 350mcg?

​Some medications may affect how this medication works or be affected by this medication. Please inform other healthcare professionals about the medication you are taking if you are seeing them for other medical conditions.

  • Updated on Monday, September 30, 2019
  • Article contributed by PSS National Medication Information Workgroup

The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

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