Anti-Inflammatories Flashcards
Anti-inflammatory drugs target?
Eicosanoids
glucocorticoids inhibit what release?
Arachadonic acid and metabolism
NSAIDS inhibit what only?
cyclo-oxygenases: COX1 and COX2
CysLT1 receptor antagonists block?
LTC4, LTD4 actions
Cox1 found?
all cells
COX2 found?
inducible
inflamm cells, smooth muscle, endothelium, fibroblasts
What condition has high COX2?
tumours
CB1 and CB2 (Canabinoids) receptors effects?
analgesia
anti-inflamm
sedation
appetite stim
Why not prostaglandins as drugs? Eg.?
unstable and expensive
eg. PGI2 (pulmonary hypertension)
PGE1
NSAIDS do 3 main things and 1 extra sometimes
- anti-inflamm
- analgesic
- anti-pyretic
- anti-aggregatory (aspirin)
NSAIDS curative?
Nope. Palliative
what is preferred for antipyretic?
paracetamol
4 big adverse effects of NSAIDS?
- GI
- bleeding time
- renal
- pulmonary
PGE2 does what?
GI: increase mucus reduce acid promote blood flow promote angiogenesis
NSAIDS inhibit which prostaglandins?
PGE2
PGI2