Which pain scale would be most appropriate for measuring pain intensity in toddlers?

The FACES scale is particularly well-suited for measuring pain intensity in toddlers because it uses simple, relatable facial expressions to represent varying levels of pain. Young children, especially toddlers, may not yet have the verbal skills or the cognitive ability to understand and use numeric scales or detailed questionnaires effectively. The visual nature of the FACES scale allows children to select an image that best represents their experience of pain, making it easier for them to communicate their feelings accurately.

In contrast, options like the numeric rating scale and the visual analog scale often require an understanding of numbers or a line to mark, which toddlers may find challenging. The McGill Pain Questionnaire involves more complex language and concepts that are better suited for older children and adults who can articulate their pain in a detailed manner. Therefore, the FACES scale is the most developmentally appropriate tool for assessing pain in young children.