3347
As no other medications known to effect serum potassium had been given concomitantly , this course of events is suggestive of a cause - and - effect relationship between sulindac and hyperkalemia .
 potassium, sulindac, hyperkalemia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 potassium, sulindac, hyperkalemia