Etoricoxib + Thiocolchicoside is a combination for muscle and joint pain - it's a painkiller + muscle relaxant. 1. Etoricoxib: A painkiller (NSAID). It reduces pain, swelling and inflammation. 2. Thiocolchicoside: A muscle relaxant. It relaxes tight / stiff muscles. Uses: - Back pain, neck pain, spondylitis - Muscle spasm, muscle stiffness - Joint pain, arthritis pain - Sprain / strain after injury - Pain after orthopedic surgery