Postinor-2 is an emergency contraceptive only. Postinor-2 is not intended as a regular method of contraception. It is used to prevent pregnancy when taken within 72 hours of unprotected intercourse. It is estimated that Postinor-2 will prevent 85% of expected pregnancies. 95% of expected pregnancies will be prevented if taken within the first 24 hours, declining to 58% if taken between 48 hours and 72 hours after unprotected intercourse.
It is not known whether Postinor-2 is effective if taken more than 72 hours after unprotected intercourse.
PRECAUTION
Do not take Postinor-2 if:
- You are pregnant
- You have previously had unprotected intercourse more than 72 hours earlier in the same menstrual cycle, as you may already be pregnant
- You are experiencing vaginal bleeding for which the reason is not known
- You have breast cancer
- You are allergic to any of the ingredients of the tablets (See Product Description below)
- The tablets do not look quite right
Do not take Postinor-2 after the expiry date printed on the pack or if the packaging is torn or shows signs of tampering.
SIDE EFFECTS
Common side effects are tiredness, nausea and vomiting. Some patients have also experienced stomach pain, diarrhoea, dizziness, headache, tender breasts, increased vaginal bleeding and skin reactions.