The following pain intensity scales are used by researchers at the NIH Clinical Center to measure how intensely individuals are feeling pain and to monitor the effectiveness of treatments. Some of the scales are appropriate for children and adults; others are used for infants. If you would like more information about pain intensity scales, please contact the NIH Clinical Center.

   Numeric Rating Scale

   Wong-Baker Faces

   COMFORT Scale

   CRIES Pain Scale

   FLACC Scale

   Checklist of Nonverbal Indicators