Medical cannabis for the treatment of fibromyalgia syndrome: a retrospective, open-label case series

Fibromyalgia syndrome (FMS) is a common chronic pain syndrome that significantly impacts patient quality- of-life. The use of cannabis for treating fibromyalgia syndrome (FMS) has not been comprehensively investigated. Thus, we have assessed the efficacy and adverse events (AEs) of short- and long-term medical cannabis (MC) treatment for FMS.