Pharmacological treatment patterns in neuropathic pain--lessons from Swedish administrative registries.

Objective: To explore the treatment patterns of patients with a diagnosis related to chronic pain (DRCP) initiating pharmacological treatment indicated for neuropathic pain (NeuP: tricyclic antidepressants, serotonin-norepinephrine reuptake inhibitors, and anticonvulsants).

Design: Retrospective study on administrative registers.

Setting: General population in Western Sweden (one sixth of the country).