259
Since early symptoms of the toxic effects of theophylline can mimic peptic ulcer disease, cimetidine might be prescribed for the gastrointestinal symptoms with subsequent worsening of theophylline poisoning.
 potential therapeutic event: prescribed 
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:
 potential therapeutic event: prescribed 