Down Syndrome Regression Disorder

Down syndrome regression disorder (DSRD) is a rare condition seen in some people with Down syndrome. This condition has also been referred to as...

• Down syndrome disintegrative disorder (DSDD)

• Unexplained regression in Down syndrome (URDS)

• Acute, developmental, or unexplained regression

• Obsessional slowness

• Acute neuropsychiatric disorder

• Rapid clinical deterioration

• Catatonia

Photo from National Society of Down Syndrome: https://www.ndss.org/about-down-syndrome/qa-for-kids/