Arcoxia 90mg is a nonsteroidal anti-inflammatory drug (NSAID) belonging to the selective COX-2 inhibitor class. It works by inhibiting the enzyme COX-2, reducing the production of prostaglandins responsible for inflammation, pain, and swelling. Arcoxia is indicated for the treatment of osteoarthritis, rheumatoid arthritis, ankylosing spondylitis, acute gouty arthritis, and relief of chronic musculoskeletal pain. Clinical studies have shown Arcoxia to effectively reduce pain, inflammation, and stiffness associated with various arthritic conditions. It is commonly prescribed for its anti-inflammatory and analgesic properties, improving the quality of life for individuals suffering from these conditions.