%0 Case Reports %T Ondansetron-induced pseudoallergy with non-ischemic myocardial injury: A rare case report of Kounis syndrome. %A Firew E %A Huang H %A Anand A %A Asfaw YA %A Parikh C %A Khan HR %J Clin Case Rep %V 10 %N 12 %D Dec 2022 %M 36578798 暂无%R 10.1002/ccr3.6781 %X Ondansetron is an FDA-approved selective serotonin 5-HT3 receptor commonly indicated as an anti-emetic agent for nausea and vomiting. It is rare to observe fatal reactions from ondansetron despite having no allergies or previous exposure. We report a case of anaphylactoid reaction with spontaneous coronary vasospasms in response to intravenous ondansetron.