“…The general principles of pain management in children include regular pain assessments, which should be made throughout the course of treatment (3,31) and which should include self-reports whenever possible (3). Several pain assessment tools can be used to assess children: behavioral scales (e.g., the Face, Legs, Activity, Cry, Consolability Scale [FLACC]), face scales (e.g., the Faces Pain Scale-Revised [FPS-R]), and numerical scales (e.g., the Numerical Rating Scale [NRS]) (32)(33)(34). However, no single tool is suitable for children of all ages (35,36).…”