Ecofree 90 mg Tablet contains etoricoxib which is used for pain relief. It relieves pain and inflammation in conditions like rheumatoid arthritis, ankylosing spondylitis, and osteoarthritis.Ecofree 90mg Tablet 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).