1894
A metabolic drug interaction between flecainide and paroxetine , which the patient had been taking for more than 5 years , was considered .
 Chemical: flecainide; Chemical: paroxetine
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:
 Chemical: flecainide; Chemical: paroxetine