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41 Cards in this Set

  • Front
  • Back
Celecoxib, rofecoxib
Selective COX 2 inhibitors
Indomethacin, etodolac
Acetic acid derivatives
Prototype NSAID to which others are measured
Indomethacin
Potent COX 1 and 2 blocker
Indomethacin
High incidence of GI ulceration
Indomethacin
Semi selective COX 1,2 inhibitor. Will still produce GI effects at high doses.
Etodolac
Typical NSAIDS with short DOA
Fenamates
Mefanamic acid
Fenamate class
Not recommended for use in children or pregnant women
Fenamates
Good analgesic properties, poor anti-inflammatory effects
Ketorolac
Enolic acid class:
Meloxicam
Relatively COX 2 selective, close to celecoxib
Meloxicam
Greater COX 2 potency than most traditional NSAIDs
Diclofenac
Potentially less GI toxicity than traditional NSAIDS
Diclofenac
Potentially greater cardiac toxicity than traditional NSAIDS
Diclofenac
Diclofenac + misoprostol
Arthrotec
ASA intolerant people should not take:
Ibuprofen
Representative propionic acid derivative:
Ibuprofen
GI bleeding, decreased renal function, hepatitis, edema
Ibuprofen adverse effects
COX 2 inhibitors are approved for:
Dysmenorrhea, OA, RA, acute post op pain
COX 2 inhibitors are contraindicated in _____ allergy and _____ of pregnancy
ASA; 3rd trimester
Advantage of COX 2 inhibitors:
Less GI ulcers, less effect on platelets and bleeding time
COX 2 disadvantage:
No more effective as analgesics than nonselective COX inhibitors
Platelet aggregation promoter present in platelets that is not affected by COX 2 inhibitors
Thromboxane A2
Platelet aggregation inhibitor present in endothelium selectively suppressed by COX 2 inhibitors
Prostacyclin (PGI2)
COX 2 inhibitors: shifts ratio of TXA2/PGI2 toward exaggerated :
Thrombotic response
COX 2 inhibitors: higher dose and longer duration of tx increase:
CV and renal toxicity
No anti-inflammatory or anti-thrombotic effects
Acetaminophen
Weak prostaglandin inhibitor
Acetaminophen
Does not affect uric acid levels
Acetaminophen
Tylenol toxicity doses:
10 g causes injury; 15 g probably fatal
The intermediate metabolite of tylenol is:
Toxic to the liver if it can not be cleared fast enough
Initial tylenol OD s/s
N/V, diarrhea, abd pain
Progressive s/s of tylenol OD:
Elevation of SGOT, LDH, and PT
End s/s of tylenol OD:
Renal failure d/t ATN
Tylenol: half life of drug increases with:
Liver damage
Tylenol metabolism: Secondary metabolic pathway is via ______ which transform it to N-acetyl-benzoquinoneimine
CYP enzymes
Tylenol OD: do not administer _____
Emetics
Tylenol OD: give ____
Activated charcoal
____ helps the body detoxify the hepatotoxic metabolite by restoring depleted _______ levels (gives more precursors)
NAC/ glutathione
If tylenol ingestion is significant, begin ______ administration
N-acetylcystine