Ketanest is a pharmaceutical-grade brand of Ketamine Hydrochloride (Ketamine HCL), Ketanest Ketamine Hydrochloride - Fast-Acting a powerful, fast-acting dissociative anesthetic widely used for both medical and off-label therapeutic purposes. Originally developed for surgical anesthesia, Ketanest is now recognized for its rapid and highly effective benefits in treating chronic pain, major depressive disorder, treatment-resistant depression, PTSD, and anxiety.