NSAIDS Exam 4 Flashcards
What are NSAIDS commonly used for?
temporary management of pain
What 3 things we use NSAIDS for?
Anti-pyretic, analgesic and anti-inflammatory
What is the MOA for NSAIDs
Depress eicosanoids action, inhibiting action of prostaglandins and thromboxane
NSAIDS inhibit?
COX-1 and COX-2
Two pathways of Arachidonic Acid?
Leukotrienes
Eicosanoids
What enzyme creates leukotrienes?
5-lipoxygenase
What enzyme creates PGs?
Cyclooxygenase
Both NSAIDs and glucocorticoids inhibit?
COX-2
Where is COX-1 found?
in all cells especially stomach “housekeeper”
Where is COX-2 found?
in all inflammatory cells, kidney, lungs
COX-1 is a major product of what?
thromboxane
Aspirin works on what pathway?
COX-1, COX-2, and Lipoxygenase
MOA of corticosteroids?
- increase Lipocortin, inhibiting PLA
2. Block expression of inflammatory genes
MOA of Leukotriene inhibitors?
block leukotriene activity
MOA of 5-ASA?
inhibits COX-1, COX-2, lipoxygenase.
MOA of Zileuton (Zyflo CR)
inhibits lipoxygenase
MOA of Zafirulask (Accolate) and Montelukast (Singulair)?
block LT receptors
Used to treat asthma and seasonal allergies
Zafirlukast and montelukast
Used to treat IBD
5-ASA
What is unique about aspirin?
irreversibly inhibits
NSAIDs blocking the Cox pathway could cause what?
shunting to LT synthesis
What dose does NSAIDs inhibit COX?
low doses 200mg
What dose dose NSAIDs produce anti-inflammatory effects?
larger doses (600-800mg)