Bailey, B., Bergeron, S., Gravel, J., Bussières, J. F., & Bensoussan, A. (2007). Annals of emergency medicine.
Abstract Conclusions:
The use of morphine in children with a presumptive diagnosis of appendicitis did not delay the surgical decision. In our group of patients, however, morphine at a dose of 0.1 mg/kg was not more effective than placebo in diminishing their pain at 30 minutes.