Riley-Day Syndrome

Riley-Day Syndrome, also known as familial dysautonomia or hereditary sensory and autonomic neuropathy type III, is a rare genetic disorder that affects the autonomic nervous system.


The syndrome is caused by mutations in the IKBKAP gene, which is responsible for producing a protein called IKAP. This protein plays a crucial role in the development and function of nerve cells.


Riley-Day Syndrome is characterized by a wide range of symptoms, including:

  • Poor muscle tone
  • Difficulty swallowing
  • Delayed physical and intellectual development
  • Reduced tear production
  • Orthostatic hypotension (low blood pressure upon standing)
  • Episodes of high blood pressure
  • Feeding difficulties in infancy
  • Sensitivity to sound, light, and certain textures


Currently, there is no cure for Riley-Day Syndrome. Treatment primarily focuses on managing and alleviating the symptoms. This may involve:

  • Physical therapy to improve muscle tone and strength
  • Speech therapy to address difficulties with swallowing and speaking
  • Occupational therapy to enhance daily living skills
  • Medications to control blood pressure fluctuations
  • Regular check-ups with healthcare professionals to monitor and manage symptoms


Riley-Day Syndrome is a progressive disorder, and the prognosis varies depending on the individual. While the condition can significantly impact an individual’s quality of life, early diagnosis, appropriate management, and supportive care can help improve outcomes and enhance overall well-being.


Riley-Day Syndrome is a rare inherited disorder that affects the autonomic nervous system. With ongoing research and advancements in treatment approaches, individuals affected by Riley-Day Syndrome can lead fulfilling lives with proper care and support.