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Rare disease search prototype built on Orphanet data

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ORPHA:1764

Familial dysautonomia

Also called HSAN3, Hereditary sensory and autonomic neuropathy type 3, Hereditary sensory and autonomic neuropathy type III, Riley-Day syndrome

Body system
Neurological diseases
Inheritance pattern
Autosomal recessive
Typical age of onset
Childhood, Infancy, Neonatal
Estimated prevalence
<1 / 1 000 000 (Europe)
Rarity class
<1 / 1 000 000

ORPHA:1764 is classified under "Neurological diseases" in the Orphanet nomenclature.

Common signs

  • Alacrima
  • Abnormal pupil morphology
  • Hypohidrosis
  • Hyperhidrosis
  • Hyporeflexia
  • Orthostatic hypotension