211
She continued taking verapamil for 6 months, then, on her own, stopped all medications including the sustained-release verapamil, and her asthma symptoms disappeared.
 potential therapeutic event: disappeared.
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: disappeared.