3461
Review of this and previously reported cases indicates the need for early diagnosis of amiodarone pneumonitis , immediate withdrawal of amiodarone , and prompt but continued steroid therapy to ensure full recovery .
 amiodarone, pneumonitis, amiodarone, steroid
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 amiodarone, pneumonitis, amiodarone, steroid