RT Journal Article SR Electronic T1 Ranitidine-Induced Delirium in a 7-Year-Old Girl: A Case Report JF Pediatrics JO Pediatrics FD American Academy of Pediatrics SP e20182428 DO 10.1542/peds.2018-2428 VO 143 IS 2 A1 Castro, Roberta Esteves Vieira de A1 Sousa, Carolina da Cunha A1 de Magalhães-Barbosa, Maria Clara A1 Prata-Barbosa, Arnaldo A1 Cheniaux, Elie YR 2019 UL http://pediatrics.aappublications.org/content/143/2/e20182428.abstract AB Ranitidine is a histamine-2 blocker commonly prescribed in PICUs for the prophylaxis of gastrointestinal bleeding and stress ulcers. However, it can be associated to central nervous system side effects, such as delirium, in adults. We present the first case of a child presenting delirium possibly caused by anticholinergic toxidrome secondary to the use of ranitidine, resolving after drug discontinuation. With this case report, we reinforce that a wide variety of clinical conditions can trigger delirium and that the best therapeutic approach is to minimize risk factors.