eng Science and Education Publishing American Journal of Medical Case Reports 2374-216X 2023-03-17 11 3 60 62 10.12691/ajmcr-11-3-5 AJMCR20231135 article Rim Aly rim.aly@nhs.net 1 Rabab Elhassan 1 Clinical Radiology, Countess of Chester Hospital, Chester, United Kingdom Ketamine-associated cystitis is growing in prevalence as the availability and use of illicit drugs increases. Delayed diagnosis and management can lead to poor patient outcomes including irreversible renal impairment. Early diagnosis, ketamine cessation and management of complications is therefore crucial. There are only a few case reports in the literature describing this condition. We report an additional case of a young patient with ketamine-associated ulcerative cystitis causing upstream obstructive uropathy. http://pubs.sciepub.com/ajmcr/11/3/5/ajmcr-11-3-5.pdf ketamine cystitis uropathy