Ketamine is a dissociative anesthetic which is used in powdered or liquid form. A number of individuals have abused this drug or have been instrumental in others using this drug as a "date-rape" drug. Abuse of ketamine can result in a number of systemic manifestations including gastrointestinal issues, depression, and respiratory problems and amnesia. Serious debilitating urinary tract symptoms are also seen frequently in those individuals who abuse ketamine.