In July 2025, the Food and Drug Administration (FDA) warned of significant weight loss among young children receiving stimulants for attention-deficit hyperactivity disorder. However, real-world evidence on the magnitude and prevalence of stimulant-associated weight loss remains limited. This study evaluated short-term weight changes after methylphenidate initiation among youth aged 3-18 years using the Medical record Observation and Assessment of drug safety Common Data Model (MOA CDM) in…
