Delayed diagnosis of ertapenem-induced delirium in an elderly patient with multimorbidity and septic shock: a case report

This case underscores the importance of recognizing drug-induced delirium in elderly patients receiving ertapenem, particularly those with renal dysfunction or multiple comorbidities. By reporting this case, we aim to raise awareness of this rare but significant adverse effect, emphasizing the need for vigilance in monitoring neuropsychiatric symptoms in high-risk populations.