Pet Health

Toxoplasmosis In Dogs: Symptoms, Causes & Treatment

Discover the signs, causes, and treatments for toxoplasmosis in dogs. Keep your furry friend healthy with essential tips on prevention and care.
Author: Veterinary Team
Dial A Vet
Updated
June 6, 2025
|
Published
June 6, 2025
Illustration of a dog looking unwell, highlighting toxoplasmosis symptoms with visual indicators for pet owners.

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As a dog owner, you want to protect your furry friend from illness and ensure they live a happy, healthy life. But what happens when you hear about conditions like toxoplasmosis, a disease often associated with cats but capable of affecting dogs too? Understanding the symptoms, causes, and treatment options can help you take swift action if your pup is ever exposed to this infection.

⚠️ What to Watch For

Toxoplasmosis in dogs is caused by the parasite Toxoplasma gondii. While many dogs show no symptoms, some may develop signs, especially if their immune system is compromised. Keep an eye out for these potential symptoms:

  • Fever
  • Lethargy or weakness
  • Loss of appetite
  • Diarrhea
  • Coughing or difficulty breathing
  • Muscle tremors or seizures
  • Yellowing of the skin or eyes (jaundice)

These symptoms can vary depending on which organs are affected. For example, respiratory distress may indicate lung involvement, while neurological symptoms like seizures suggest the brain has been impacted. If you notice any of these signs, it’s crucial to take action.

🔍 Possible Causes

Dogs typically contract toxoplasmosis by ingesting the parasite, often through contaminated food, water, or soil. Here are the most common sources:

  • Eating raw or undercooked meat containing Toxoplasma gondii cysts
  • Drinking water contaminated with the parasite
  • Ingesting feces from an infected cat
  • Contact with contaminated soil, such as during digging or playing

Puppies and dogs with weakened immune systems are more susceptible to developing severe symptoms, as their bodies struggle to fight off the infection. Healthy adult dogs may be exposed to the parasite but remain asymptomatic due to their stronger immune defenses.

✅ What You Can Do at Home

While toxoplasmosis requires veterinary care for proper diagnosis and treatment, there are steps you can take to reduce your dog’s risk and support their recovery:

  • Feed your dog only cooked meat to avoid exposure to the parasite in raw meat.
  • Prevent your dog from scavenging or eating feces while outdoors.
  • Ensure they have access to clean, fresh water at all times.
  • Regularly clean your dog’s living area and wash food and water bowls.
  • Practice good hygiene by washing your hands after handling soil, raw meat, or cleaning up after your dog.

If your dog has been diagnosed with toxoplasmosis, your vet may prescribe medications like antibiotics or antiprotozoal drugs to help fight the infection. Follow all treatment instructions carefully and monitor your dog closely for any changes in their condition.

💡 When to Call a Vet

Some cases of toxoplasmosis can become severe, especially if the infection spreads to vital organs like the brain, lungs, or liver. Contact your veterinarian immediately if your dog shows any of these red flags:

  • Severe lethargy or inability to stand
  • Persistent vomiting or diarrhea
  • Seizures or uncoordinated movements
  • Difficulty breathing
  • Yellowing of the skin or eyes

Your vet may recommend diagnostic tests, such as bloodwork, X-rays, or ultrasounds, to confirm the presence of toxoplasmosis and assess the extent of the infection. Early intervention can improve your dog’s chances of a full recovery, so don’t delay seeking professional help.

FAQs

Q: Can dogs get toxoplasmosis from cats?
A: Yes, dogs can contract toxoplasmosis if they ingest feces from an infected cat or come into contact with contaminated soil or surfaces. However, direct transmission from cat to dog is less common than ingestion through other sources like raw meat.

Q: Is toxoplasmosis contagious to humans?
A: Humans can contract toxoplasmosis, but not directly from dogs. The primary risk comes from handling cat feces, eating undercooked meat, or consuming contaminated food or water. Pregnant women and immunocompromised individuals should take extra precautions.

Q: How is toxoplasmosis treated in dogs?
A: Treatment typically involves medications such as antibiotics or antiprotozoal drugs to manage the infection. Supportive care, like hydration and nutritional support, may also be necessary depending on the severity of the symptoms.

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References

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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