Abstract What is known and objective The imbalance in serum potassium caused by laxatives can negatively affect the cardiovascular system, leading to life‐threatening consequences. Our objective was to evaluate the reported evidence of adverse events related to the cardiac system due to laxative‐induced hypokalaemia from case reports. Methods A systematic electronic literature search of PubMed, Embase, the Cochrane Library and Science Direct was conducted for the period 1995‐2019.
