Etoricoxib is a non-steroidal anti-inflammatory drug (NSAID) called COX-2 inhibitors. It works by blocking the release of certain chemical messengers that are responsible pain and inflammation (redness and swelling).
Endeavours Miofree 4mg Tablet is a muscle relaxant. It works on the centres in the brain and spinal cord to relieve muscle stiffness or spasm without reduction in strength. This improves pain and movement of muscles.