Effect of cannabidiol, cannabinol and tetrahydrocannabivarin in managing inflammatory pain

Abstract Current medications used to treat the inflammatory pain either have limited effectiveness or may be associated with serious side effects. Non-psychoactive phytocannabinoids may have a better safety profile and could be used as an alternative approach to treat this condition. The aim of this study was to test the potential of three phytocannabinoids, cannabinol (CBN), tetrahydrocannabivarin (THCV) and cannabidiol (CBD), in treating inflammatory pain. The inflammatory pain was triggered in male rats by a single intra-articular knee injection of