Well-presented information and communication of the intended use of the medicinal product can help minimize Adverse Drug Reactions (ADR) resulting from medication errors such as wrong dosages or non-observance of warnings. The use of medicinal products always poses a relevant risk to patients. Avoidable ADRs take on a special position here. They occur in particular when medicinal products are inadvertently used in other ways than prescribed. The proper understanding of how a medicinal product is to be used safely and effectively is crucial. Important sources of information in this respect are the PLs of the medicinal product. On the other hand, PLs are often criticised by patients as well as by academia for lack of clarity and readability