Capnocytophaga canimorsus


Standard Precautions

General Information

Aerobic gram negative rod, encapsulated

Infected animal bite. Normal flora of canines.

Other species of Capnocytophaga colonize human mouths.

  • Animal bites

  • Skin/soft tissue infection

  • Necrotizing Fasciitis

  • Bacteremia

  • Meningitis

  • More severe infections in asplenic patients (anatomic or functional), alcoholics, and immunosuppressed patients.

  • Promptly identify splenectomized (functional or anatomic), alcoholic patients, and immunosuppressed patients with animal bites who require prophylaxis (Amoxicillin-clavulanate x 5 days) and close monitoring for sepsis

  • ~1/3 patients with bacteremia will have a rash that can progress to purpura fulminans

  • Consider tetanus and rabies immunization/prophylaxis

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