Comparing the Analgesic Effect of Intravenous Acetaminophen and Morphine on Patients With Renal Colic Pain Reffering to the Emergency Department: A Randomized Controlled Trial

This protocol prepared by a nurse and labeled as Drug A. Since the rapid injection of Acetaminophen can result in hypotension, therefore based on the Apotel Injection Instruction, it must be infused slowly within 15 minutes.

This protocol was prepared by a nurse and labeled as Drug B. Since the rapid injection of Morphine can result in histamine release, therefore it must be infused slowly within 15 minutes. The nurse, who was in charge of infusing pain reliever, was unaware of the type of injected drug.