2767
In this case , discontinuing piroxicam , a nonsteroidal anti - inflammatory drug , and starting a palliative treatment plan helped resolve a patient 's ulcers .
 ulcers, piroxicam
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 ulcers, piroxicam