Down Syndrome: Common Physical Characteristics & Features

People with Down syndrome often share these physical traits:

  • Distinctive facial features: upward-slanting eyes, flat nasal bridge, small chin
  • Short stature
  • Hypotonia (low muscle tone)
  • Hyperflexibility (increased joint mobility)
  • Dental issues (crowding, misalignment)
  • Narrow ear canals/hearing loss
  • GI problems (celiac, Hirschsprung)
  • Congenital heart defects (AV septal defects)
  • Vision issues (cataracts, refractive errors)
  • Sleep disturbances
  • Developmental delays
  • Intellectual disability
  • Higher risk for thyroid disease, leukemia, seizures

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