In vitro studies have demonstrated florfenicol activity against Enterobacter cloacae, Escherichia Coli, Klebsiella pneumoniae, Salmonella typhi, and Shigella dysenteriae.

• 试验表明，氟苯尼考还能够抑制阴沟肠杆菌、大肠埃希菌、克雷白氏肺炎菌、伤寒沙门氏菌和志贺氏痢疾杆菌。