Pasteurella - Pathogenesis

Pathogenesis

See: Pasteurellosis

Many Pasteurella species are zoonotic pathogens, and humans can acquire an infection from domestic pet bites. P. multocida is the most frequent causative agent in human Pasteurella infection. Common symptoms of pasteurellosis in humans include swelling, cellulitis, and bloody drainage at the site of the wound. Infections may progress to nearby joints where it can cause swelling and arthritis.

Pasteurella spp. are generally susceptible to chloramphenicol, the penicillins, tetracycline, and the macrolides.

Pasteurella occurs in many cats' mouths, a large percentage of dog mouths, and frequently in rabbits. This is in perfectly normal and otherwise healthy animals. The common occurrence of the bacteria is a reason to be medically proactive and defensive (antibacterial treatments are often necessary) if a bite occurs.

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