Cat Bite After Dog Exposure: Rabies Risk Assessment, Other Infections, and Medical Advice

Risk Assessment for Cat Bite After Dog Bite

1. Rabies

• If dog was rabid, virus in saliva → cat bite wound → cat saliva may contain virus during shedding (days before symptoms).
• Cat-to-human rabies transmission is rare but documented.
• Cat vaccination status critical: currently vaccinated → negligible risk.

2. Other Infections from Stray Dog → Cat → Human

• Pasteurella multocida (cat oral flora) — cellulitis, abscess.
• Capnocytophaga canimorsus (dog oral flora) — sepsis in immunocompromised.
• Bartonella henselae (cat-scratch disease) — lymphadenopathy.
• Tetanus — if wound contaminated, immunization not current.
• Other bacteria: Staph, Strep, anaerobes.

3. Immediate Actions

1. Wash wound thoroughly with soap & water 15 min.
2. Apply antiseptic (povidone-iodine, chlorhexidine).
3. Seek medical evaluation same day for:
   • Wound care, debridement if needed.
   • Tetanus booster (if >5 yr or dirty wound >10 yr).
   • Antibiotic prophylaxis (amoxicillin-clavulanate 3–5 days) — standard for cat bites.
   • Rabies PEP decision: based on dog/cat status, local epidemiology, exposure category (WHO).
4. Monitor for infection signs: spreading redness, swelling, fever, lymphangitis.

4. Prevention

• Vaccinate pets (rabies, core vaccines).
• Avoid stray animals.
• Supervise child-pet interactions.