Use of Intravenous Ketamine Infusions for Chronic Pain

(1) For spinal cord injury pain, there is weak evidence to support short-term improvement. (C, Low)

(2) In CRPS, there is moderate evidence to support improvement for up to 12 wk. (B, )

(3) For other pain conditions such as mixed neuropathic pain, fibromyalgia, cancer pain, ischemic pain, headache, and spinal pain, there is weak or no evidence for immediate improvement. (D, Low)