Medical / Dietary Needs

What you need to know


  • child with williams syndrome in white dress
    High calcium levels can be found in individuals with Williams syndrome, usually in infancy. In some individuals this can recur in childhood or even adulthood.
  • High calcium levels can also occur in the urine and cause kidney stones.
  • Hypothyroidism, or low thyroid hormone levels, occurs at an increased frequency in Williams syndrome.
  • Diabetes occurs more frequently in Williams syndrome.
  • Ongoing evaluations by a cardiologist may be necessary in some children for monitoring.


  • Most children with Williams syndrome do not require any special diet, but may be on a reduced calcium diet.
  • A well-balanced diet and exercise is important to reduce the risk of diabetes.
  • Gastroesophageal reflux may be present.
  • Chronic constipation is common.
  • Sensitivity to textures and tastes as well as poor motor control may make mealtimes challenging.

What you can do

  • Be aware, or ask a parent, if the child has a medical alert bracelet.
  • Talk with the parents about their child’s individual medical needs
  • Alert the parents about any changes in activity level
  • Alert the parents about any changes in bathroom or eating habits
  • Screen vision and hearing regularly