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Many types of medicaments can cause akathisia as an adverse event of their use and they include: antipsychotics, antidepressants, antiemetics, antihistamines, and psychoactive substances.
 adverse event: adverse event 
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: adverse event 