Lymphoma In Dogs: Symptoms & Treatment

Hearing the word “lymphoma” in connection with your dog can feel overwhelming and scary. If your beloved pet has been diagnosed with lymphoma, or you're noticing unusual symptoms and wondering if it could be this condition, you're not alone. Lymphoma is one of the most common cancers in dogs, but there are effective treatment options available. With the right information and support, you can help your dog maintain a good quality of life.

⚠️ What to Watch For

Recognizing the early signs of lymphoma in dogs can make a significant difference. This type of cancer typically affects the lymphatic system, which plays a vital role in immune function. Symptoms can vary depending on the stage and type of lymphoma, but some common signs include:

• Swollen lymph nodes (most commonly under the jaw, behind the knees, or in front of the shoulders)
• Lethargy or decreased energy levels
• Loss of appetite
• Weight loss
• Increased thirst or urination
• Difficulty breathing
• Vomiting or diarrhea

If you notice any of these symptoms, it’s important to consult with a veterinarian. While these signs don’t always indicate lymphoma, they do warrant further investigation.

🔍 Possible Causes

The exact cause of lymphoma in dogs isn’t fully understood, but experts believe it’s likely the result of a combination of genetic and environmental factors. Certain breeds, such as Boxers, Golden Retrievers, and Scottish Terriers, appear to have a higher risk of developing lymphoma, suggesting there may be a hereditary component. Environmental factors, including exposure to toxins or pesticides, may also play a role.

While you can’t always prevent lymphoma, maintaining a healthy lifestyle for your dog—such as feeding a balanced diet, providing regular exercise, and minimizing exposure to harmful substances—can support their overall health and immune system.

✅ What You Can Do at Home

If your dog has been diagnosed with lymphoma or you suspect they may have it, there are steps you can take at home to support their health and comfort:

• Provide a high-quality, easily digestible diet to ensure they’re getting the nutrients they need
• Monitor their symptoms closely and keep a journal of any changes
• Encourage gentle exercise to maintain muscle mass and overall well-being
• Keep stress to a minimum by maintaining a calm, consistent routine
• Offer plenty of love and reassurance—your presence and care make a big difference

While these steps won’t cure lymphoma, they can help improve your dog’s quality of life and make them more comfortable during treatment.

💡 When to Call a Vet

If you notice any of the symptoms mentioned earlier or suspect your dog may have lymphoma, don’t delay in reaching out to your veterinarian. Early diagnosis and treatment are key to managing this condition effectively. Your vet will likely perform a physical exam, take a detailed medical history, and recommend diagnostic tests, such as bloodwork, X-rays, or a biopsy of the lymph nodes.

If lymphoma is confirmed, your vet will discuss treatment options with you. Chemotherapy is the most common and effective treatment for canine lymphoma. While it may sound intimidating, most dogs tolerate chemotherapy very well, with minimal side effects compared to humans. Other treatments, like steroids or immunotherapy, may also be recommended depending on your dog’s specific case.

Keep in mind that your veterinarian is your best resource for understanding your dog’s condition and making informed decisions about their care. If you ever feel unsure or overwhelmed, don’t hesitate to ask questions or seek a second opinion.

FAQs

Q: Can lymphoma in dogs be cured?
A: While lymphoma in dogs is rarely curable, it is often highly treatable. Many dogs respond well to chemotherapy and can achieve remission, meaning the symptoms disappear for a period of time. Your vet will guide you through the best options for your dog.

Q: How long can a dog live with lymphoma?
A: Life expectancy depends on the type of lymphoma, the stage at diagnosis, and the chosen treatment plan. With chemotherapy, many dogs achieve remission and live an additional 6 to 12 months or longer. Without treatment, survival time is typically much shorter, often just a few weeks to months.

Q: What does swollen lymph nodes feel like in dogs?
A: Swollen lymph nodes often feel like firm, painless lumps under the skin. They’re most noticeable under the jaw, behind the knees, or in front of the shoulders. If you’re unsure, consult your vet for an evaluation.

Book a $49 online vet consultation at https://www.dialavet.com for fast, expert advice.

References

• PetMD
• ASPCA
• VCA Animal Hospitals
• NRC – Nutrient Requirements of Dogs and Cats
• Dial A Vet – Blog Library