Fracture is often responsible of pain in the paediatric emergency department (ED). This pain is very severe and needs effective drugs.~During a study made at the ED of Necker Enfants Malades Hospital, it has been shown that the oral morphine had a limited action on this kind of pain. Therefore it is interesting to increase the analgesia by making a drug association, for example with the midazolam witch is a benzodiazepine with a sedative and anxiolytic action, and which has got the MMA for the intravenous and the intra rectal forms for children older than 6 months.~The intravenous form has some disadvantages like an extra work and an increase of risk of side effects.~That is why the sublingual form seems to be interesting in this context. Even if some studies have shown the benefit of midazolam as a preanesthetic medication given to children scheduled for a surgical procedure, none has shown the interest of sublingual midazolam associated with oral morphine to relieve the pain due to a displaced fracture.~The aim of this study is to show a more important pain decrease in the group taking midazolam versus placebo.~It is a randomized simple-blind monocentric study; the group A will receive oral morphine with placebo and the group B will receive oral morphine with sublingual midazolam . The pain will be quantified thanks to the visual analogical scale (VAS)before and 30 minutes after the drugs administration, and we will try to show a difference of 15 points(on 100) of the VAS at 30 minutes between the two groups.~60 patients aged from 5 to 16 years old and having a displaced fracture will be enrolled in this study which will last 1 year.~Patients having a contra-indication for morphine and midazolam won't be enrolled as patients with femoral fracture which needs a local anaesthesia.
It is a randomized simple-blind monocentric study; the group A will receive oral morphine with placebo and the group B will receive oral morphine with sublingual midazolam. The aim of this study is to show a more important pain decrease in the group taking midazolam versus placebo.