Assessing pain in non-verbal patients can be challenging, but nurses can use several methods to evaluate discomfort. One common approach is the use of the [FLACC Scale](https://) (Face, Legs, Activity, Cry, Consolability), which assesses pain through observation of patient behavior. Additionally, [facial expressions](https://), vital signs, body movements, and physiological indicators like sweating or increased heart rate can provide clues.