Patient information leaflets (PILs) are leaflets containing specific information about medical conditions, doses, side effects that packed with medicines to give the user information about the product. PIL is the European version of the Package insert . The PIL is written by the manufacturing pharmaceutical company and is a patient friendly version of the Summary of Product Characteristics . All licensed medicines need to carry such a leaflet [ where? ] . There are guidelines that must be followed for producing this document, drawn up by the European Medicines Agency of the EU .