1901
Because toxicity may occur when flecainide is prescribed with paroxetine and other potent CYP2D6 inhibitors , flecainide plasma concentrations should be monitored closely with commencement of CYP2D6 inhibitors .
 Disease: toxicity; Chemical: flecainide; Chemical: paroxetine; Chemical: flecainide
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: toxicity; Chemical: flecainide; Chemical: paroxetine; Chemical: flecainide