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Hemorrhagic cystitis is a major potential toxicity of ifosfamide that can be prevented by administering mesna along with the cytotoxic agent .
 Disease: Hemorrhagic cystitis; Disease: toxicity; Chemical: ifosfamide; Chemical: mesna
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: Hemorrhagic cystitis; Disease: toxicity; Chemical: ifosfamide; Chemical: mesna