Companion Animals

Dog Canine RMSF Tick Fever Welfare

Rocky Mountain spotted fever is a potentially fatal tick-borne disease causing severe systemic illness requiring prompt diagnosis and treatment.

Key Facts

RMSF is caused by Rickettsia rickettsii transmitted by Dermacentor tick species in the Americas
Clinical signs include fever, lethargy, swollen lymph nodes, and hemorrhagic rash
Untreated RMSF causes vasculitis, organ failure, and death in days to weeks
Doxycycline started within 5 days of infection dramatically improves survival
Dogs in RMSF endemic areas should have year-round tick prevention and prompt tick removal

Welfare Considerations

Dogs with RMSF experience rapid severe systemic illness including hemorrhage, organ failure, and extreme debility. Prompt diagnosis and antibiotic treatment can be lifesaving but requires owner vigilance about tick exposure.

What You Can Do

Use veterinarian-recommended tick preventives year-round in RMSF endemic regions
Seek veterinary assessment within 24 hours if a dog from a tick-endemic area develops fever
Remove ticks promptly with a tick hook and monitor for signs of disease