Home and Garden What is the use of etoricoxib tablets IP? What is the use of etoricoxib tablets IP? Etoricoxib helps to reduce the pain and swelling (inflammation) in the joints and muscles of people 16 years of age and older with osteoarthritis, rheumatoid arthritis, ankylosing spondylitis and gout. Related Posts:What foods make ankylosing spondylitis worse?What can mimic ankylosing spondylitis?What is the best homeopathic medicine for rheumatoid arthritis?What is Vectra used for?