After taking Escapelle/Postinor, there are certain situations when it is really important to consult a doctor. If you experience severe abdominal pain that lasts for a prolonged period or if you have persistent vomiting within a few hours after taking the pill, it is crucial to seek medical advice. Additionally, if you do not get your period within three weeks after taking Escapelle/Postinor, or if your period is unusually heavy or lasts longer than usual, it is recommended to see a healthcare professional. They can assess your situation and provide the appropriate guidance and support to ensure your well-being.