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Although visual hallucinations have not been reported as an adverse effect of this agent , we describe three patients who experienced complex visual hallucinations and altered mental status after zonisamide treatment was begun or its dosage increased .
 adverse effect: altered mental status, zonisamide; adverse effect: visual hallucinations, zonisamide
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: altered mental status, zonisamide; adverse effect: visual hallucinations, zonisamide