citation requests in response to the distinction between a quinolone drug and a fluoroquinolone drug is the addition of the fluorine atom to the pharmcore resulting in a fluorinated drug the terms fluoroquinolone and quinolone are often used interchangeably without regard to this distinction citation needed reduced fluoroquinolone susceptibility in salmonella enterica serotypes in travelers returning from southeast asia antti hakanen pirkko kotilainen pentti huovinen hans helenius and anja siitonen national public health institute turku finland turku university central hospital turku finland turku university turku finland and national public health institute helsinki finland thus the terms reduced fluoroquinolone susceptibility and quinolone resistance are used interchangeably hereafter reese and betts' a practical approach to infectious diseases edited by robert f betts stanley w chapman robert l penn by robert f betts stanley w chapman robert l penn richard e reese edition illustrated published by lippincott williams wilkins isbn pages in this chapter the terms fluoroquinolones and quinolones are used interchangeably i an overview of the fluoroquinolones