Aspirin use is associated with an increased risk for acute kidney injury in critical patients with chest trauma, whereas ...
≥65yrs, or <110lbs, or renal impairment: 30mg IM or 15mg IV once; or, 15mg every 6 hours. Aspirin allergy. Peptic ulcer. GI bleed or perforation. As prophylactic analgesic before any major surgery.
IV: drug-induced liver injury ... Increased GI effects with aspirin, other NSAIDs. Caution with aspirin in hypoprothrombinemia. May suppress reactions to skin tests.