Silver Book Fact
A meta-analysis of duloxetine, an anti-depressant, found a 50% reduction in pain at 12 weeks for diabetic peripheral neuropathy, and a 50% reduction in pain at 12 weeks for fibromyalgia.
Lunn M, Hughes R, Wiffen P. Duloxetine for Treating Painful Neuropathy or Chronic Pain. Cochrane Database of Systematic Reviews. 2009; 4. http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD007115.pub2/abstract