Pet Health

Brucellosis in Dogs

Discover everything you need to know about brucellosis in dogs, including symptoms, prevention, and treatment options to keep your furry friend healthy!
Author: Veterinary Team
Dial A Vet
Updated
June 6, 2025
|
Published
June 6, 2025
Close-up of a veterinarian examining a dog's ear, highlighting symptoms of brucellosis in canines.

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Brucellosis in dogs is a serious infectious disease that every pet owner should know about. It’s not only a risk to your furry friend but also to humans, as it’s a zoonotic disease. Understanding the symptoms, causes, and prevention of brucellosis can help you protect your dog’s health and prevent the spread of this condition.

🐾 What Is Brucellosis in Dogs?

Brucellosis is caused by a bacterium called Brucella canis. This bacterium primarily infects dogs but can also affect other animals and humans. It’s most commonly spread through bodily fluids, such as urine, saliva, or reproductive fluids, making it highly contagious among dogs.

The disease primarily targets a dog’s reproductive system, but it can also affect other parts of the body, such as the liver, spleen, and lymph nodes. While it’s more prevalent in breeding kennels, any dog can be at risk if exposed to an infected animal.

🩺 How Do Dogs Get Brucellosis?

Brucellosis is transmitted through direct contact with infected bodily fluids. The most common ways dogs become infected include:

  • Contact with an infected dog’s urine, saliva, or reproductive fluids
  • Breeding with an infected dog
  • Exposure to contaminated birthing materials, such as placentas
  • Eating or sniffing contaminated materials

Dogs in breeding programs or kennels are at a higher risk due to close contact with other dogs. However, pet dogs can also contract the disease if they interact with infected dogs at parks, shelters, or other shared spaces.

🛑 Symptoms of Brucellosis in Dogs

Brucellosis can be challenging to detect because some dogs may not show any symptoms. However, common signs of the disease include:

  • Lethargy and general weakness
  • Enlarged lymph nodes
  • Reproductive issues, such as infertility in males and females
  • Spontaneous abortions in pregnant females
  • Swelling of the testicles in males (orchitis)
  • Back pain or difficulty walking
  • Loss of appetite and weight loss

In severe cases, brucellosis can cause inflammation in the joints, eyes, or spinal cord, leading to more serious health complications.

🤔 Is Brucellosis Contagious to Humans?

Yes, brucellosis is zoonotic, meaning it can spread from animals to humans. While human cases are rare, individuals with weakened immune systems, pregnant women, and children are at higher risk of contracting the disease.

Humans typically become infected through direct contact with an infected dog’s bodily fluids or contaminated materials. Practicing good hygiene and taking precautions when handling your dog can reduce the risk of transmission.

🩹 How Is Brucellosis Diagnosed and Treated?

If you suspect your dog may have brucellosis, it’s essential to consult your veterinarian immediately. Diagnosing brucellosis typically involves blood tests, such as serology or polymerase chain reaction (PCR) testing, to detect the presence of Brucella canis.

Once diagnosed, treatment options may include:

  • Long-term antibiotic therapy to control the infection
  • Spaying or neutering to reduce the risk of spreading the disease
  • Supportive care to manage symptoms, such as pain or inflammation

It’s important to note that brucellosis is challenging to eliminate entirely, even with treatment. In some cases, euthanasia may be recommended for severely affected dogs, especially in breeding environments, to prevent further spread of the disease.

🛡️ Preventing Brucellosis in Dogs

Prevention is key when it comes to brucellosis. Here are some tips to keep your dog safe:

  • Avoid breeding dogs without proper health screenings
  • Quarantine new dogs before introducing them to your household or kennel
  • Practice good hygiene when handling your dog’s waste or reproductive fluids
  • Regularly clean and disinfect your dog’s living area
  • Schedule routine veterinary check-ups to monitor your dog’s health

By taking these precautions, you can significantly reduce the risk of brucellosis for your dog and others around them.

🐕 What to Do If Your Dog Is Diagnosed

If your dog is diagnosed with brucellosis, it’s crucial to follow your veterinarian’s recommendations closely. Limit your dog’s contact with other animals and practice strict hygiene to prevent spreading the disease. Inform anyone who may have been in contact with your dog, such as kennel staff or dog walkers, so they can take appropriate precautions.

In some cases, your vet may recommend additional tests or treatments to manage the disease. Remember, early detection and intervention can make a significant difference in your dog’s quality of life.

FAQs

Q: Can brucellosis be cured in dogs?

A: While treatment can help manage symptoms, brucellosis is challenging to cure completely. Long-term antibiotic therapy and supportive care are often necessary.

Q: Is brucellosis common in pet dogs?

A: Brucellosis is more common in breeding dogs or kennel environments. However, pet dogs can still be at risk if exposed to infected animals or materials.

Q: How can I protect myself from brucellosis if my dog is infected?

A: Practice good hygiene, such as wearing gloves when handling your dog’s waste or cleaning their living area. Avoid direct contact with your dog’s bodily fluids and consult your healthcare provider if you have concerns.

Q: Can puppies get brucellosis from their mother?

A: Yes, puppies can contract brucellosis from their mother through the placenta or nursing. This is why it’s important to test breeding dogs for the disease.

References

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While every effort is made to ensure the accuracy of this content - including vet review where applicable - this article is for informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If your pet is unwell or you are concerned, please speak with a licensed veterinarian. You can book a $49 online consultation with our veterinary team  😄
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