MATCOX-90 tablet belongs to the family of medicines known as non-steroidal anti-inflammatory drugs (NSAIDs). It is used to alleviate pain and reduce inflammation in joints and muscles for individuals aged 16 and older diagnosed with conditions such as osteoarthritis, rheumatoid arthritis, ankylosing spondylitis, and gout. As an NSAID, MATCOX-90 works by inhibiting certain enzymes involved in the inflammatory process, providing relief from pain and swelling associated with these conditions.