This is a very old medication with NEW possibilities! Ketamine Therapy specialists has mainly been used as an anesthetic medication; but in the last 20 years, research has shown Ketamine to be highly effective in treating depression, anxiety, bipolar, PTSD, OCD, and chronic pain. Ketamine works by binding to various receptors in the brain to promote regrowth and connections between brain cells that help regulate one’s mood. For patients experiencing chronic pain, longer infusions have been shown to “reset” nerves and decrease neuropathic pain.