RCT of IV Dexamethasone to Prevent Relapse in the Treatment of Migraine in a Paediatric ED

The intervention of interest was the administration of dexamethasone 0.6 mg/kg IV (max 15 mg) before departure from the ED. The control group received a similar looking placebo (NaCl 0,9% IV) with the same volume.

Normal Saline 0,9% same volume