15
A high percentage of kanamycin - colistin and povidone - iodine irrigations were associated with erosive cystitis and suggested a possible complication with human usage .
 kanamycin, colistin, povidone - iodine, cystitis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 kanamycin, colistin, povidone - iodine, cystitis