Ketamine hydrochloride (HCl) is a dissociative anesthetic and a federally controlled substance in most jurisdictions globally. In its pure raw form, ketamine hydrochloride exists as a white crystalline powder Clinical Setting: In licensed human and veterinary medicine, ketamine HCl is practically never dispensed or utilized as a loose powder. Instead, it is formulated into a sterile, slightly acidic liquid solution designed for intravenous (IV) or intramuscular (IM) injection Because of its severe potential for dependence, profound hallucinogenic effects, and misuse (recreationally referred to on the street by names like "Special K" or "Ket"), the distribution of pure ketamine HCl powder is heavily restricted. It is accessible only to certified pharmaceutical manufacturers, registered compounding pharmacies, Dissociative Anesthesia: It induces a trance-like state that provides rapid pain relief, sedation, and amnesia while preserving the patient's breathing and airway reflexes. It is frequently used in pediatric surgery, emergency medicine, and trauma cases t sub-anesthetic, low doses, ketamine infusions are heavily researched and used clinically to manage treatment-resistant depression (TRD) and severe suicidal ideation. Additionally, a specific variant known as Esketamine (Spravato) is fully regulated and approved as a medical nasal spray, which must be administered strictly inside a certified medical clinic under direct clinical observation