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Rocky Mountain Spotted Fever (Tick Fever) in Dogs

🐛 Health guideVerified: Oct 19, 2026Sources at bottom
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Sourced to the Merck Veterinary Manual

Rocky Mountain spotted fever is a disease that affects both people and dogs and is caused by Rickettsia rickettsii bacteria. This disease occurs in certain parts of North, Central, and South America and is spread mainly

Rocky Mountain Spotted Fever (Tick Fever) in Dogs — dog health guide

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The short version

Rocky Mountain spotted fever is a disease that affects both people and dogs and is caused by Rickettsia rickettsii bacteria. This disease occurs in certain parts of North, Central, and South America and is spread mainly through tick bites.

In the United States, the American dog tick and the Rocky Mountain wood tick are the most important carriers. The brown dog tick can also spread the disease in some areas, including Arizona, and in other countries.

For More Information

Also see professional content regarding Rocky Mountain spotted fever.

Frequently asked questions

Rocky mountain spotted tick fever in dogs?

The Merck Veterinary Manual covers this in the article linked on this page. Rocky Mountain spotted fever is a disease that affects both people and dogs and is caused by Rickettsia rickettsii bacteria. This disease occurs in c… If your dog is unwell, contact your veterinarian — this page is educational, not a diagnosis.

Do dog ticks carry rocky mountain spotted fever?

The Merck Veterinary Manual covers this in the article linked on this page. Rocky Mountain spotted fever is a disease that affects both people and dogs and is caused by Rickettsia rickettsii bacteria. This disease occurs in c… If your dog is unwell, contact your veterinarian — this page is educational, not a diagnosis.

Rocky mountain spotted fever on dog?

The Merck Veterinary Manual covers this in the article linked on this page. Rocky Mountain spotted fever is a disease that affects both people and dogs and is caused by Rickettsia rickettsii bacteria. This disease occurs in c… If your dog is unwell, contact your veterinarian — this page is educational, not a diagnosis.

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