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He had been taking trimethoprim-sulfamethoxazole for approximately eight days when he revisited his family physician, complaining of headaches, dizziness, difficulty with speech, weakness, and itching on the trunk of his body and legs, where a maculopapular rash was noted.
 adverse event: taking 
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: taking 