PLXNA3 and Dravet syndrome: Additionally, when scrutinizing the most recurrent DS incidents of medicines as per their ATC groupings spanning the period 2013–2015, the subsequent trends came to the fore: nervous system drugs comprised 21%, followed by anti-infective drugs for systemic use at 16%, cardiovascular drugs at 15%, and drugs for the alimentary tract and metabolism, along with those acting on the genito-urinary system and sex hormones, both at 7%.