Pet Health

Lupus in Dogs (Symptoms, Causes & Treatment)

Discover the symptoms, causes, and treatments for lupus in dogs. Learn how to identify this condition early and provide the best care for your furry friend!
Author: Veterinary Team
Dial A Vet
Updated
June 6, 2025
|
Published
June 6, 2025
Labrador Retriever with lupus symptoms, displaying skin rash and fatigue, illustrating the impact of lupus in dogs.

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It can be heartbreaking to see your dog acting unwell, especially when the symptoms are vague and persistent. If your pup has been showing signs like fatigue, joint pain, or skin issues, you may be wondering what’s going on. Lupus in dogs is a rare but serious autoimmune condition that can cause these symptoms and more. Let’s break down what lupus is, the warning signs to watch for, and how you can help your furry friend feel better.

⚠️ What to Watch For

Lupus is an autoimmune disease, meaning your dog’s immune system mistakenly attacks its own body. There are two main types of lupus in dogs:

  • Systemic Lupus Erythematosus (SLE): Affects multiple organs and systems, including the skin, joints, kidneys, and blood.
  • Discoid Lupus Erythematosus (DLE): Primarily affects the skin, especially the nose and face.

The symptoms of lupus can vary depending on the type, but common signs include:

  • Fatigue or lethargy
  • Swollen, painful joints
  • Skin sores or lesions, especially on the nose, ears, or face
  • Hair loss around affected areas
  • Fever that comes and goes
  • Loss of appetite or weight loss
  • Increased thirst or urination (in SLE cases)

Because these symptoms overlap with other conditions, it’s crucial to get a proper diagnosis from a veterinarian.

🔍 Possible Causes

The exact cause of lupus in dogs isn’t fully understood, but it’s believed to involve a combination of genetic, environmental, and immune factors. Here are some potential contributors:

  • Genetics: Certain breeds, such as German Shepherds, Collies, and Shetland Sheepdogs, are more prone to lupus.
  • Sun exposure: UV light can trigger or worsen discoid lupus symptoms, especially in light-colored or thin-coated dogs.
  • Immune dysfunction: An overactive or misdirected immune system may attack the body’s tissues.
  • Medications: Some drugs can cause lupus-like symptoms as a side effect, though this is rare.

If your dog falls into a high-risk category or has a history of skin or immune issues, it’s important to be vigilant for early signs of lupus.

✅ What You Can Do at Home

While lupus requires veterinary treatment, there are steps you can take at home to support your dog’s health:

  • Protect against UV exposure: Limit your dog’s time in direct sunlight, especially during peak hours. Use pet-safe sunscreen on areas like the nose and ears if necessary.
  • Provide a balanced diet: Ensure your dog is eating high-quality food to support their immune system and overall health.
  • Monitor symptoms: Keep a journal of any changes in your dog’s behavior, skin, or energy levels to share with your vet.
  • Reduce stress: Minimize stressors in your dog’s environment, as stress can worsen autoimmune conditions.

These measures won’t cure lupus, but they can help manage symptoms and improve your dog’s quality of life.

💡 When to Call a Vet

If you suspect your dog has lupus, don’t delay seeking veterinary care. Early diagnosis and treatment are crucial to managing the disease and preventing complications. Your vet may perform the following tests:

  • Blood tests to check for anemia, inflammation, or abnormal immune activity
  • Urinalysis to assess kidney function
  • Skin biopsies for discoid lupus cases
  • Imaging tests like X-rays to evaluate joint or organ involvement

Treatment for lupus typically includes medications like immunosuppressants, anti-inflammatories, or antibiotics for secondary infections. Your vet will tailor the treatment plan to your dog’s specific needs and symptoms.

It’s also important to schedule regular follow-ups to monitor your dog’s progress and adjust medications as needed. With proper care, many dogs with lupus can lead happy, comfortable lives.

FAQs

Q: Can lupus be cured in dogs?
A: Lupus cannot be cured, but it can be managed with medications and lifestyle adjustments. Early diagnosis and consistent treatment can significantly improve your dog’s quality of life.

Q: Is lupus in dogs contagious?
A: No, lupus is not contagious. It’s an autoimmune condition, meaning it stems from your dog’s own immune system rather than an infection.

Q: How long can a dog live with lupus?
A: With proper treatment and management, many dogs with lupus can live normal lifespans. However, the prognosis depends on factors like the severity of the disease and the organs affected.

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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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