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During clarithromycin coadministration, four out of the seven patients developed moderate-to-severe toxic symptoms of carbamazepine, such as drowsiness, dizziness, and ataxia, which resolved within 5 days after clarithromycin discontinuation.
 adverse event: developed 
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: developed 