2049
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 .
 Hyperammonemia, valproic acid; lethargy, valproic acid
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 Hyperammonemia, valproic acid; lethargy, valproic acid