Flexon MR Tablet is used in the reduction of musculoskeletal pain and muscle spasm due to tissue injury, resolution of post surgery inflammation and oedema (swollen tissue with fluid). Pain can be temporary (acute) or long-term (chronic) in nature. Musculoskeletal pain can be caused due to soft tissue (muscle, tendon or ligaments) injury. Extreme tissue pain and inflammation caused by sprains, strains or trauma or post-surgery may require a prolonged amount of time to heal.