Mechanism of action: Etodolac balliculeVisual mnemonic: Etodolac mascot “A total lack (of) Loading” “The N said... NSAID” Rapid onset 30–60 minutes (actually fast “loading”)
What it isNSAID inhibiting COX-2 more than COX-1; osteoarthritis and rheumatoid arthritis.
Why this oneIts COX-2 preference may reduce GI injury versus fully nonselective NSAIDs, but fades as exposure rises.
What limits itRenal and cardiovascular toxicity persist, and it can raise lithium levels.
BOXED WARNING NSAID: increased risk of serious CV thrombotic events (MI, stroke); contraindicated in CABG surgery setting. Increased risk of serious GI bleeding, ulceration, perforation.
FDA dosing
Population
Start
Target
Max
Acute pain / analgesia
adult
200-400 mg q6-8h
up to 1000 mg/day
1000 mg/day
Osteoarthritis / rheumatoid arthritis
adult
300 mg BID/TID or 400 mg BID or 500 mg BID
600 mg/day may suffice long-term
1000 mg/day
Renal No adjustment needed in mild-moderate impairment (use with caution)
Hepatic Undefined
Instructions
Use lowest effective dose for shortest duration
Available strengths
cap 200, 300 mg
tab 400, 500 mg
ER tab 400, 500, 600 mg
Contraindications
History of asthma, urticaria, or allergic-type reaction to aspirin or other NSAIDs
Coronary artery bypass graft (CABG) surgery setting
Pregnancy Avoid at ~30 weeks and later (premature closure of fetal ductus arteriosus); limit dose/duration ~20-30 weeks (oligohydramnios/neonatal renal impairment).