958
Acute intravascular hemolysis developed when a diabetic patient, previously treated with glyburide, was started on another oral sulfonylurea drug, chlorpropamide.
 adverse event: treated 
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: treated 