Ketamine Hydrochloride Injection, USP may be used in cats for restraint or as the sole anesthetic agent for diagnostic or minor, brief, surgical procedures that do not require skeletal muscle relaxation. It may be used in subhuman primates for restraint. Ketamine Hydrochloride Injection, USP provides 100 mg/mL of ketamine hydrochloride and is available in 10 mL vials.