Ketorolac tromethamine solution for injection is for administration by intramuscular (IM) or bolus intravenous (IV) injection. Bolus intravenous doses should be given over no less than 15 seconds. IM injection doses should be given slowly. Its analgesic effect begins at 30 minutes, peaks at 1-2 hours, and lasts 4-6 hours. Ketorolac tromethamine solution for injection should not be used for epidural or spinal administration. (See table.)
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