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.
Definition. Bilirubin is a yellowish pigment found in bile, a fluid produced by the liver. This article discusses the laboratory test to measure the amount of bilirubin in the urine. Large amounts of bilirubin in the body can lead to jaundice. Bilirubin may also be measured with a blood test.