An AI App to Measure Pain Is Here

Why It Matters

Its adoption could improve care for nonverbal patients but won’t deliver a definitive “pain‑o‑meter.

Summary

A smartphone app called PainChek, now deployed in some hospitals and care settings, uses AI analysis of small facial movements plus clinician checklists to score patient pain and aims to help assess individuals who cannot self‑report, such as dementia patients. The tool shows promise as an objective adjunct but is validated against subjective pain reports and therefore does not replace patient self‑reporting. Clinicians face practical limits—most analgesics target acute pain and chronic pain treatments are constrained—and the technology raises clinical and ethical questions about interpretation and treatment. Its adoption could improve care for nonverbal patients but won’t deliver a definitive “pain‑o‑meter.”