Bergeyella zoohelcum

Gram Stain

• Gram negative bacilli nonfermenter - rounded ends (fastidious)

Clinical Significance

This organism is part of oral/nasal flora of dogs and cats.

It is associated with bite wounds (mostly dogs), septicemia, meningitis, tenosynovitis, and pneumonia (following dog/cat bite or exposure).

Usual Susceptibility Pattern

This organism is usually susceptible to penicillin/ampicillin and quinolones.

It is resistant to aminoglycosides and colistin and has variable susceptibility to TMP/SMX and tetracyclines.