Ketamine for Chronic Pain Management

Chronic pain often involves central sensitization—a state in which the nervous system becomes hyper-reactive and amplifies pain signals. Ketamine is a powerful NMDA receptor antagonist that works by interrupting this process. By blocking NMDA receptors, ketamine reduces abnormal glutamate activity, effectively disrupting the feedback loop that causes nerves to misfire and interpret normal signals as painful.

This mechanism sets ketamine apart from opioid medications, which primarily mask symptoms. Instead of simply dulling pain, ketamine targets the neurochemical root of pain perception, helping to “reset” overactive pain pathways. Research has shown that IV ketamine infusions can significantly reduce both spontaneous and stimulus-induced pain in conditions like CRPS, fibromyalgia, and neuropathy. Many patients also report improvements in sleep, mobility, and overall functionality—often after just a few treatments.