Levonorgestrel emergency contraception: how to take it safely
Postinor-2, Plan B
Reviewed by Pharm. Abeeb Junior
What it is for
Emergency contraception, used after unprotected sex or when contraception has failed.
How to take it
- Swallow the tablet with water as soon as possible, within 72 hours (3 days) of unprotected sex. It works best the sooner you take it.
- If you vomit within 2 hours, take another tablet and get advice.
When to take it
As soon as possible after unprotected sex.
Take it with
With or without food.
What to avoid
- Using it as regular contraception.
- Taking it more than once in the same cycle unless your pharmacist advises.
Possible side effects
Nausea, tiredness, headache, a period that is early or late.
Get help if
Severe lower stomach pain, or no period within 3 weeks: see a doctor. It does not protect against HIV or other infections.
This is general information, not personal medical advice. Always follow your doctor's or pharmacist's instructions and read the leaflet that comes with your medicine. Medicines and doses can differ between products and people.