Andermann syndrome

Symptoms

What are the main symptoms of Andermann Syndrome?

The main symptoms of Andermann Syndrome include low muscle tone (hypotonia) presenting in the first year of life, lack of reflexes from infancy, muscle weakness and wasting, tremors, delayed walking until about age 3, loss of the ability to walk by the early teens, drooping eyelids (ptosis), weakness of the muscles in the face, gaze palsy and horizontal involuntary eye movements (nystagmus) abnormal curves in the spine (scoliosis) by the age of 10 years, intellectual disabilities, missing or underdeveloped tissue connecting the left and right sides of the brain (corpus callosum), and seizures (epilepsy).

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