1171
Hyperammonemia has been described as a complication of valproic acid therapy but may often be overlooked as a cause of lethargy in the postictal patient who presents to the emergency department.
 adverse event: complication 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: complication 