An 11-year-old complains of severe pain after an appendectomy. The physician orders fentanyl 25 mcg I.V., every 2 hours as needed. How soon after administration can the patient expect to feel relief?

1 minute


•Fentanyl when administered I.V., has an onset of 1 minute, a peak of 3-5 minutes, and a duration of 30-60 minutes.

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