Fragile X syndrome (FXS) is a genetic neurodevelopmental disorder characterized by cognitive impairment, behavioral dysregulation, and emotional lability. While it is primarily known as a leading cause of inherited intellectual disability, patients with FXS may also present with complex neuropsychiatric symptoms including attention-deficit/hyperactivity disorder (ADHD), anxiety, autistic features, irritability, and self-injurious behaviors as they progress through childhood and adolescence. As…
