Enhanced stability ketorolac formulations and methods and devices for use with same

Provided is a unit dosage form of Ketorolac in a sterile fluid composition formulated for continuous subcutaneous delivery via body-worn infusion pump assembly, wherein said Ketorolac is present at a concentration of between 40 mg/mL and 240 mg/mL formulated for single use delivery in a volume not to exceed 1-10 mL, wherein said formulation is ethanol-free. Uses of same, body-worn infusion pump assemblies containing same and containers containing same for incorporation within a body-worn infusion pump assembly for a dose-sparing formulation comprising Ketorolac are also provided.