NSAIDs Flashcards
How does NSAIDs work ?
inhibits cox enzymes involved in prostaglandin synthesis
mild to moderate pain relief- 1st dose
Analgesic full effect: takes 1 week
Anti-inflammatory effect: takes 3 weeks
Name selective cox-2 inhibitors ?
celecoxib
etorocoxib
parecoxib ( post-operative pain)
Name non selective cox1/cox2 inhibitors ?
aspirin
diclofenac
ibuprofen
indometacin ( headache, GI disturbance, dizziness)
Mefenamic acid ( haemolytic anaemia, diarrhoea)
naproxen
piroxicam ( high risk of GI s/e, serious skin reactions)
what reaction can topical NSAIDs cause ?
photosensitivity reactions especially with ketoprofen
Which NSAIDs have highest risk of GI toxicity ?
ketoprofen
ketolorac
piroxicam
Which NSAIDs have middle risk of GI toxicity ?
naproxen, diclofenac , indometacin
Which NSAIDs have low risk of GI toxicity ?
ibuprofen
Which NSAIDs have the lowest risk of GI toxicity ?
COX 2
celecoxib
etorocoxib
parecoxib
Which NSAIDs have higher risk of Cardiovascular events ( stroke or MI ) ?
High dose ibuprofen 2.4g daily
dexibuprofen
cox-2 selective
diclofenac/aceclofenac