Inadequate pain control can increase emotional distress for the patient and family members involved in their child’s care. Perform a comprehensive pain assessment, including use of an age-and developmentally appropriate pain intensity rating tool. Older children and teenagers can use the numeric pain on a scale to quantify pain on a scale from 0 ( no pain ) to 10 ( worst possible pain ). The Wong-Baker FACES pain rating scale is appropriate for children age 3 years and older. The FLACC pain scale, commonly used for children younger than age 3, assesses Facial expression, Leg movement, Activity, Cry, and Consolability.