The Deutsche Apotheker Zeitung (DAZ, German Pharmacist Journal) is an independent pharmaceutical newspaper focusing on science and practice, mainly for the profession of pharmacist. In this study, drug advertising in the DAZ was analysed. To our knowledge, there is little scientific data available on drug advertising in professional journals. We assumed that professional journals provide particularly good background information on the advertised drugs because they are targeted to specialists. All non-prescription medicines and preparations that fall under the Medicines Advertising Law (Heilmittelwerbegesetz, HWG) were studied. The Medicines Advertising Law regulates the legal procedure for advertising medicinal products in Germany. The 167 product advertisements from the 52 issues of 2021 were analysed and checked for compliance with the Medicines Advertising Law. We identified significant deficiencies in compliance with the legislation. These included the lack of mandatory information required by the Medicines Advertising Law, for example the indication of adverse drug reactions and the listing of contraindications. There are very few peer-reviewed references on the efficacy of the advertised preparations. A scientific validation was carried out using the PubMed database, with the result that scientific information was available only for 1/3 of the advertisements. In addition, the appearance and target groups as well as social structures, images and feelings conveyed by the advertising were analysed. This study provides insights into the mechanisms of drug advertising in professional journals, which have not yet been researched to any great extent. Even in professional journals, pharmacological evidence plays a much smaller role than marketing, psychology and traditional social values. It seems that drug manufacturers deliberately ignore the German Medicines Advertising Law to advertise their products in the best possible way. Stricter legal controls should be put in place to prevent this practice and protect consumers from misinformation. This will increase drug safety.
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