MSK Flashcards
NSAIDs examples
Aspirin Ibuprofen Naproxen Diclofenac Celecoxb Paracoxib Etoricoxib
NSAIDs mechanism of action
inhibits COX by competing with arachidonic acid and reduce prostaglandin, prostacyclin and thromboxane synthesis
Anti-inflammatory, antipyretic and anti platelet
NSAID uses
pain inflammatory conditions osteoarthritis postoperative pain platelet aggregation
NSAID side effects
more with COX 1 inhibitor than COX 2
GI- dypepsia, nausea, Peptic ulcer
Renal- GFR
Cardiovascular- vasoconstriction, decrease antagonism of ADH and increase MI
Paracetamol mechanism of action
COX-2 selective inhibition in CNS, reduce pain signals
Peroxidases in peripheral inflammation, limit action so little anti-inflammatory action
Paracetamol uses
Mild-moderate analgesia and pain
non NSAID, Non ospitate analgesic with antipyretic action
Paracetamol side effects
NAPQI- oxidation product of paracetamol which is highly reactive- if take 10-20 tablets will cause severe irreversible hepatocellular and renal tubular damage, nausea, vomiting, abdominal pain
Opioid examples
Weak- codeine
strong- morphine and fentanyl
Buphrenorphine
Opioid mechanism of action
M and U receptors agonists
Opioids uses
analgesia
pain
diarrhoea
Opioid side effects
paralytic ileus naursea vomiting sedation addiction
Immunosuppressant examples
methotrexate, sulfasalazine, influximab, fituximab, adalimumab, corticosteroids, azathioprine, calcineurine inhibitors, mycophenolate mofeti
Immunosuppressant mechanism of actions
many
Methotrexate mechanism of action
folate antagonist, inhibits T cell activation
Infliximab mechanism of action
binds to soluble TNF alpha and inhibits binding