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Drowsiness and altered taste perception were increased significantly over placebo only in the high - dose azelastine group .
 Disease: Drowsiness; Disease: altered taste perception; Chemical: azelastine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: Drowsiness; Disease: altered taste perception; Chemical: azelastine