Early Infantile Epileptic Encephalopathy type 13 (EIEE13) (Ohtahara Syndrome)

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SCN8A Epilepsy, also known as Epileptic Encephalopathy, early infantile, 13 (EIEE13), is a rare genetic condition that causes chronic seizures (epilepsy) and is caused by a change (mutation) in the SCN8A gene. Seizures seen in SCN8A epilepsy typically start at an early age, usually between birth and 18 months of age. The seizures usually include stiff muscles (tonic) and loss of consciousness followed by jerking of arms and legs as the body relaxes and the person returns to consciousness (clonic). “

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