What it isPotent non-selective COX inhibitor; short-term moderate to severe acute pain.
Why this oneAnalgesia approaching an opioid without respiratory depression or dependence, and it is available IV and IM.
What limits itFive days maximum, total, by any route — GI bleeding and renal injury rise steeply after that. Avoid in renal impairment and around surgery with bleeding risk.
BOXED WARNING NSAID for short-term (≤5 days) moderately severe acute pain only, as continuation after IV/IM; serious GI, cardiovascular, bleeding, and renal risks; contraindicated in CABG surgery
FDA dosing
Population
Start
Target
Max
Moderately severe acute pain (continuation after IV/IM)
age 17-64
20 mg PO once, then 10 mg q4-6h PRN
40 mg/day
Moderately severe acute pain (continuation after IV/IM)
≥65 yr, renally impaired, or <50 kg
10 mg PO once, then 10 mg q4-6h PRN
40 mg/day
Renal Contraindicated in advanced renal impairment or risk of renal failure from volume depletion; reduced dose (10 mg) in renal impairment
Hepatic Undefined
Combined duration of IV/IM and oral ketorolac not to exceed 5 days in adults
Instructions
Use lowest effective dose; oral form not for initial dosing—continuation only
Do not shorten the 4-6 hour dosing interval
Contraindications
Active peptic ulcer disease; recent GI bleeding/perforation; history of peptic ulcer or GI bleeding
Asthma, urticaria, or allergic-type reactions after aspirin or other NSAIDs
Prophylactic analgesic before major surgery
Coronary artery bypass graft (CABG) surgery
Advanced renal impairment or risk of renal failure due to volume depletion
Labor and delivery
Cautions
GI ulceration, bleeding, perforation
Cardiovascular thrombotic events
Acute renal failure
Anaphylactic/anaphylactoid reactions
Postoperative bleeding
Hepatotoxicity/liver failure
Adverse reactions
Abdominal pain, dyspepsia, nausea
Constipation/diarrhea, flatulence
GI ulcers
Headache
Edema
Pregnancy Avoid at ~30 weeks gestation and later (premature ductus arteriosus closure); contraindicated in labor and delivery; limit use 20-30 weeks
Lactation Undefined
⚠ BOXED WARNINGS
Cardiovascular thrombotic events
Gastrointestinal bleeding, ulceration and perforation
Renal, bleeding and labor risks; short-term use only