GARD Rare Disease Information – ROHHAD – National Organization for Rare Disorders
ROHHAD is an acronym for rapid-onset obesity (RO) with hypothalamic dysregulation (H), hypoventilation (H), and autonomic dysregulation (AD). It is a rare, life-threatening syndrome that affects the autonomic nervous system (which controls involuntary actions like breathing and your heartbeat) and the endocrine system. As the name suggests, the key features include dramatic weight gain over a six- to 12-month period in the first 10 years of life, followed by hypothalamic dysfunction, dysregulation of the