Long-term opioid therapy among patients with systemic lupus erythematosus in the community. A Lupus Midwest Network study.

There is little information about the epidemiology and factors associated with opioid therapy in systemic lupus erythematosus (SLE). We aimed to assess the prevalence of opioid therapy and explore factors associated with long-term opioid therapy (LTOT) in patients with SLE.