Citrobacter spp

Citrobacter spp are Gram-negative enteric coliform bacteria that can cause vaginitis and salpingitis in the cat[1].

C. freundii and C diversus are enterobacteria commonly isolated from soil, water, sewage, and food as well as from different organs of diseased and healthy animals, including mammals, birds, reptiles, and amphibians in which it is considered to be an opportunistic or secondary pathogen[2].

In humans, this bacteria has been reported as causing sepsis and meningitis in neonates[3][4].

Antimicrobial therapy is advised, using drugs such as amoxicillin/clavulanate or fluoroquinolones such as orbifloxacin or enrofloxacin, based on culture and sensitivity studies.


  1. ↑ Dr Jim Euclid (2010) Pers comm
  2. ↑ Farmer, JJ & Kelly, MT (1991) Enterobacteriaceae, p.360-383. In A. Balows, et al (Eds): Manual of clinical microbiology, 5th ed. American Society for Microbiology, Washington, D.C.
  3. ↑ Eppes SC et al (1993) Recurring ventriculitis due to Citrobacter diversus: clinical and bacteriologic analysis. Clin Infect Dis 17(3):437–440
  4. ↑ Tse G et al (1997) Neonatal meningitis and multiple brain abscesses due to Citrobacter diversus. Pediatr Pathol Lab Med 17(6):977–982

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