After taking Escapelle/Postinor, you may experience a variety of emotions and physical sensations. You might feel relief or a sense of reassurance, knowing you have taken steps to prevent an unplanned pregnancy.Yet, it is important for you to note that the hormonal changes caused by these pills can lead to side effects such as nausea, fatigue, breast tenderness, and changes in menstrual patterns. These effects vary from woman to woman and can last for a few days.