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Background Levorphanol (levo-3-hydroxy-N-methylmorphinan) is a strong opioid that is the only available opioid agonist of the morphinan series. Levorphanol was originally synthesized as a pharmacological alternative to morphine more than 40 years ago. It is considered a step-3 opioid by the World Health Organization (WHO) and has a greater potency than morphine. Analgesia produced by levorphanol is...
Introduction Neuropathic pain occurs in 1% of the population and is difficult to manage. Responses to single drugs are limited in benefit. Thirty percent will fail to respond altogether. This is a review of newer drugs and treatment paradigms. Methods A literature review was performed pertinent to new drugs and treatment algorithms in the management of neuropathic pain. Results New information...
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