Table 1 Characteristics of 10 patients with ketamine-associated cystitis reported in the literature.
From: Cystitis due to the use of ketamine as a recreational drug: a case report
|  | Our patient | Patient 1 | Patient 2 | Patient 3 | Patients 4–9 |
|---|---|---|---|---|---|
Age | 20 years | 28 years | 25 years | 17 years | Unknown |
Sex | Man | Man | Woman | Man | Unknown |
Ketamine use | Weekly | Daily | Daily | Daily | Daily |
Duration of symptoms | 7 months | 6 months | 2 years | Several months | Unknown |
Urine cultures | Sterile | Sterile | Sterile | Sterile | Sterile |
Bladder wall | Thickened | Thickened | Thickened | Thickened | Thickened |
Cystoscopy | Mild inflammation | Erythematous patches | Mild squamous metaplasia, ulcerated patches | Erythematous patches | Erythematous patches |
Biopsy | Negative | Epithelial denudation, inflammation, eosinophilic infiltrate | Unknown | Unknown | In three patients, similar to patient 1 |
Antibiotic therapy | Unsuccessful | Unsuccessful | Unknown | Unknown | Unknown |
Benefited from cessation of ketamine | Unknown | Yes | Yes | Yes | Yes |