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Condition Info
ConditionName
Smith-Magenis syndrome
ConditionDescription
Symptoms
Physical characteristics: facial features that include a broad, square face with deep-set eyes, full cheeks, a prominent lower jaw, a flattened bridge of the nose, a downturned mouth, and eyes looking in different directions (strabismus); low muscle tone; short stature; curved spine (scoliosis); hoarse voice; myopia (short-sightedness); flat feet; Cognitive signs: developmental delay; mild to moderate intellectual disability; speech delay; Behavioural signs: sleep problems – for example, they might sleep during the day and be awake at night; temper tantrums and aggression problems; anxiety; attention difficulties; a tendency to injure themselves deliberately; a tendency to hug themselves repeatedly; reduced sensitivity to pain and temperature; eating difficulties, with a preference for soft foods. Medical concerns: ear abnormalities (sometimes leading to hearing loss); heart and kidney defects; retinal detachment.
PhysicalFindings
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IsRedFlag
IsNPLEX
Consequence
ProgressionFromCondition
TreatmentOptions
PharmOptions
WebLink
https://rarediseases.info.nih.gov/diseases/8197/smith-magenis-syndrome
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