[Epidemiology of polypharmacy in primary healthcare in the Reykjavik metropolitan area 2010-2019].

Introduction: Taking medicines can induce risks leading to negative health issues that can grow in accordance with the number of medicines used. Many studies on the prevalence of polypharmacy have been carried out in other countries, but such studies are lacking in Iceland. The aim of this study was to analyse the prevalence of polypharmacy in primary care in the Reykjavik metropolitan area.