3214
Abrupt , accidental withdrawal of trihexyphenidyl triggered severe exacerbation of the cranial dystonia associated with inspiratory stridor and acute respiratory difficulties , prompting emergency admission .
 acute respiratory difficulties, trihexyphenidyl; cranial dystonia, trihexyphenidyl; inspiratory stridor, trihexyphenidyl
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:
 acute respiratory difficulties, trihexyphenidyl; cranial dystonia, trihexyphenidyl; inspiratory stridor, trihexyphenidyl