4178
We describe two patients with a clinical diagnosis of acute dexmedetomidine withdrawal and its management with oral clonidine .
 dexmedetomidine, clonidine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 dexmedetomidine, clonidine