Pain practice : the official journal of World Institute of Pain
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This meta-analysis compared efficacy (pain response) of drugs that are licensed or commonly used in the treatment of fibromyalgia. A meta-analysis of safety measured via discontinuation because of adverse events was also performed. ⋯ All eight active treatments displayed evidence suggesting improvement over placebo in the treatment of pain in patients suffering from fibromyalgia. Indirect comparison of active treatments found no strong differences.