Background: This study assesses the validity and reliability of the Spanish version of DN4 questionnaire as a tool for differential diagnosis of pain syndromes associated to a neuropathic (NP) or somatic component (non-neuropathic pain, NNP).
According with data used in this modeling in patients with NeP due to DPN and/or PHN, PGB was shown to be more cost-effective than generic gabapentin in Spain.
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