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Drug Class: Commonly Known As: Category:
Contraceptive Postinor-2® Adult

Levonorgestrel - Side Effects, Precautions, and Contraindications

What side effects can Levonorgestrel cause?

​You may experience some spotting or bleeding within two to three days after taking the tablet. Your next period usually starts within a week from your expected date. However, if your period is more than 7 days late, it is recommended to get a pregnancy test. If you experience heavy or extended period of bleeding, or very bad stomach pain, you should consult your doctor.

Other side-effects:

  • Nausea and vomiting
    • Take the medication after food to reduce this side effect.
  • Headache
    • You may take Paracetamol to manage the headache.
  • Breast tenderness
  • Dizziness, Fatigue
    • Avoid activities that require mental alertness and avoid using heavy machineries.

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 these symptoms, you should stop your medication and see your healthcare professional immediately.

Before taking Levonorgestrel , 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 may already be pregnant, or breastfeeding
  • You are taking any other medications, including supplements, traditional medications and herbal remedies
  • You have severe liver disease

What food or medicine must I avoid when I take Levonorgestrel ?

​Some medications may prevent this medication from working effectively. Inform your healthcare professional if you have taken any medication since the last 4 weeks to ensure the correct type of emergency contraceptive has been prescribed for you.

Levonorgestrel - Additional Information

When can I start my regular hormonal contraception after taking Postinor-2 (Levonorgestrel)?

You can continue or start any birth control method right away. For the next 7 days, you also must use a barrier method (for example: condoms, diaphragm, and spermicides) along with your regular birth control method, or not have sexual intercourse.

  • Updated on 3/24/2022 12:00:00 AM
  • Article contributed by PSS National Medication Information Workgroup 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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