IV Ketamine Treatment - Park City Utah John K. Hong, M.D. - 7/14/26 Chronic pain can become more than an injury—it can become a disease of the nervous system itself. For some individuals, pain continues long after tissues have healed. Medications, physical therapy, injections, and even surgery may no longer provide meaningful relief because the brain and spinal cord have become trapped in an amplified pain state known as central sensitization. For carefully selected patients,