Williams syndrome

A rare genetic multisystemic neurodevelopmental disorder characterized by a distinct facial appearance, cardiac anomalies (most frequently supravalvular aortic stenosis), cognitive and developmental abnormalities, and connective tissue abnormalities (such as joint laxity)

Also known as: Williams-Beuren syndrome, Williams-Beuren syndrome (WBS), deletion 7q11.23, monosomy 7q11.23, WBS, WMS

Category: General

What is Williams syndrome?

Williams syndrome is a recognized medical condition. This page explains what it is, symptoms that may accompany it, and the lab tests healthcare providers sometimes use to investigate it. It is educational information only and is not a diagnosis.

If you think you may have Williams syndrome, speak with a qualified healthcare provider for evaluation and guidance.

Symptoms that may be associated with Williams syndrome

Abdominal painAnxietyArthralgiaChronic constipationConstipationDepressionGastroesophageal refluxHoarse voiceHypertensionInsomniaNausea and vomitingPeriorbital fullness

When to seek medical care

Seek medical advice if you have symptoms that are severe, persistent, or affecting your daily life. Emergency care is needed for symptoms like chest pain, difficulty breathing, confusion, or severe weakness.