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Supporting Your Pets Immune System When They Have Cancer

For pet owners, the word 'cancer' is one of the most dreaded and heartbreaking diagnoses to hear from a veterinarian. Just like in humans, cancer can affect our furry friends, and the journey to support them through this difficult time can be emotionally challenging. While cancer treatment for pets has advanced significantly in recent years, one crucial aspect that shouldn't be overlooked is bolstering your pet's immune system.

In this blog, we explore various ways to support your pet's immune system when they have cancer, providing them with the best possible chance for a longer and healthier life.

Consult Your Veterinarian

Before making any changes to your pet's diet or lifestyle, it is vital to consult with your veterinarian. They will be able to provide you with specific guidance tailored to your pet's unique needs. Cancer types and treatment protocols vary, and what works for one pet may not be suitable for another. A veterinary oncologist can help you create a personalised plan to support your pet's immune system during cancer treatment.

Balanced Nutrition

Nutrition plays a significant role in supporting your pet's immune system, especially when they have cancer. High-quality commercial pet foods or specially formulated prescription diets can help provide the necessary nutrients your pet needs. Additionally, consider discussing dietary supplements with your veterinarian, such as omega-3 fatty acids and antioxidants, which can help boost your pet's immune system.

Maintain a Healthy Weight

Obesity can weaken the immune system and exacerbate health problems in pets, including cancer. Being underweight is also a concern and causes increased mortality so providing a balanced diet is crucial to maintaining body weight. Ensuring your pet maintains a healthy weight also supports their immune system. Consult with your veterinarian to establish an appropriate weight management plan and monitor your pet's progress closely.

Provide Adequate Exercise

Exercise is crucial for maintaining your pet's overall health, including their immune system. Regular, moderate exercise helps improve circulation and can stimulate the immune response. Tailor your pet's exercise routine to their energy levels and physical condition, and consult your vet for guidance on appropriate activities during cancer treatment.

Reduce Stress

Cancer treatment can be stressful for both you and your pet. Reducing stress is essential for supporting your pet's immune system. Create a calm and comfortable environment at home, and maintain a routine to provide a sense of stability. Gentle activities such as stroking, massaging, and soothing music can help relax your pet.

Minimise Toxins

Limit your pet's exposure to toxins that can weaken their immune system. This includes avoiding exposure to tobacco smoke, household chemicals, and pesticides. Ensure that your pet's living space is clean and free from potential hazards.

Consider Complementary Therapies

Complementary therapies, such as acupuncture, may help support your pet's immune system during cancer treatment. Consult your veterinarian to explore these options and determine which therapies are safe and suitable for your pet's specific condition.

Manage Pain and Discomfort

Cancer can cause pain and discomfort in pets, which can further weaken their immune system. Work closely with your veterinarian to manage your pet's pain effectively. There are various pain management options available, including medications and therapies like physiotherapy.

Regular Vet Check-ups

Frequent vet check-ups are essential to monitor your pet's progress and make any necessary adjustments to their treatment plan. Your veterinarian can also help you identify any potential complications and provide timely interventions to support your pet's immune system.

Provide Love and Emotional Support

Pets with cancer need emotional support just as much as medical care. Spending quality time with your pet, offering affection, and maintaining a strong bond can have a positive impact on their overall well-being. A happy and emotionally supported pet is more likely to have a robust immune system.


Supporting your pet's immune system when they have cancer is a crucial aspect of their overall care. With a combination of proper nutrition, exercise, stress management, and veterinary guidance, you can help your furry friend in their battle against this challenging disease. Remember that every pet is unique, so it's essential to work closely with your veterinarian to create a personalised plan that meets your pet's specific needs. While the journey may be difficult, your love and dedication can make a world of difference in improving your pet's quality of life during cancer treatment.

Here at Roundwood Pet Hospice, we are here to support you (and your pet) through the final stages of their life. From palliative/ hospice care services to helping you decide when is the right time to say goodbye. If you have a terminally ill pet, contact us on 0800 0495944 for support.


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