NSAIDS Flashcards
Nsaids are ______________ drugs?
weak acidic drugs
What are NSAIDs mainly used for ?
to treat pain,fever and inflammation
What are the pharmacological effects of NSAIDs?
reversible inhibition of cyclooxygenase(COX)
What is COX ?
enzyme that catalyzes the first step in the synthesis of prostaglandins from arachionoid acid and other precursors
COX activity is decreased primarly by ________?
competive inhibition
What is the net effect of NSAID’s ?
decrease in the production of prostaglandins and other autoacids
Only ___________ is NOT a reversible inhibition of cyclooxygenase?
Aspirin
Prostaglandins are released from cells in response to?
chemical stimuli or physical trauma
During inflammation ,immune cells release phospholipase A2, which turns phospholipids into?
arachonoid acid which is a substrate to COX
Prostaglandins amplify ______?
Pain stimulus
Prostaglandins sensitize?
sensory nerve endings to nocireceptive stimuli
Prostaglandings promote tissue ________?
tissue inflammation by stimulating inflammatory cell chemotaxis,vasodilatation and increasing capillary permeability, leading to edema
Nsaids that reffered to have “housekeeping” functions
COX -1
NSAIDs’s that are termed as inducible and proinflammatory?
COX -2
What is a type of irreversible cox inhibitors?
Aspirin