NSAIDs work by reducing the production of prostaglandins, chemicals that cause pain, fever and inflammation. NSAIDs block the enzyme that makes prostaglandins (cyclooxygenase), resulting in lower production of prostaglandins. As a consequence, inflammation, pain and fever are reduced.
Medical Definition of BILIRUBIN. : a reddish yellow pigment C33H36N4O6 that occurs especially in bile and blood and causes jaundice if accumulated in excess.
Bilirubin is an orange-yellow pigment and a waste product. A bilirubin test may be used to help determine the cause of jaundice and/or help diagnose conditions such as liver disease, hemolytic anemia and blockage of the bile ducts.