Parent report of antidepressant, anxiolytic, and antipsychotic medication use in individuals with Williams syndrome: Effectiveness and adverse effects

► We examine psychotropic medication effectiveness and side effects in Williams syndrome. ► 81% saw benefit from most SSRI medications; paroxetine was least helpful. ► 64% reported that other antidepressants/anxiolytics were beneficial for anxiety. ► Risperidone and quetiapine were reported as more helpful than aripiprazole.