The nonsteroidal NSAIDs affect the COX-1 and COX-2 enzymes. By blocking COX-2 enzymes the NSAIDs block inflammation and the signs and symptoms of inflammation at the site of injury or trauma. By blocking COX-1 enzymes, these drugs blocka) fever regulation.

b) prostaglandins that protect the stomach lining.

c) swelling in the periphery.

d) liver function