Ketamine-induced cystitis: Lessons from a case of recreational use.
Journal of the American Pharmacists Association July 1, 2026 Archana Jhawar, Zane Z. Elfessi
OBJECTIVES To describe a case of ketamine-induced cystitis (KIC) in a middle-aged patient using ketamine recreationally, highlight diagnostic pitfalls that may lead to unnecessary antibiotics, and offer pharmacist-focused recommendations for assessment and management, including a formal causality assessment using the Naranjo algorithm. CASE SUMMARY A 56-year-old male with escalating...