Escapelle has an expiration date of 5 years, which means you can keep it on hand and use it within that timeframe when you need it. Postinor ODT has a shelf life of 3 years, so make sure to use it only within this period. It is important to pay attention to the expiration date of these emergency contraceptives to ensure their effectiveness. If the expiration date has passed, it is best to get a new supply.