PT - JOURNAL ARTICLE AU - Kesav, Praveen AU - VY, Vishnu AU - Khurana, Dheeraj TI - A reversible cause of coma in epilepsy AID - 10.1136/bcr-2012-007917 DP - 2012 Dec 13 TA - BMJ Case Reports PG - bcr2012007917 VI - 2012 4099 - http://casereports.bmj.com/content/2012/bcr-2012-007917.short 4100 - http://casereports.bmj.com/content/2012/bcr-2012-007917.full AB - 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.