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Unexpected outcome (positive or negative) including adverse drug reactions
A reversible cause of coma in epilepsy
  1. Praveen Kesav,
  2. Vishnu VY,
  3. Dheeraj Khurana
  1. Department of Neurology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
  1. Correspondence to Dr Dheeraj Khurana, dherajk{at}


A 13-year-old girl presented to our emergency department in a comatose state with history of epilepsy. Evaluation of the common causes of altered sensorium in the setting of background epilepsy turned out to be negative. Ultimately she was diagnosed to be having reversible coma due to valproate-induced hyperammonaemia.

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