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Question:

Dog not responding well to radiation

I'm really at a loss and could use some advice from fellow pet lovers. My furry best friend, Max, was recently diagnosed with cancer, and we decided to go ahead with radiation therapy based on our vet's recommendation. He's been such a trooper through the initial sessions, but recently things have taken a downturn. He seems so lethargic now, he's not eating much, and he just isn’t his usual wagging self anymore. I feel awful seeing him like this and am starting to question if we made the right decision. Has anyone else been through this with their dog? What can I do to help him feel more comfortable or boost his appetite? I'm really worried and would appreciate any tips or experiences you can share. Thank you.

Answer:

Hello and thank you for reaching out during such a challenging time. I'm sorry to hear that your dog isn't responding well to radiation treatment. It's not uncommon for pets to experience side effects from radiation, such as fatigue, skin irritations, or loss of appetite. Let's break it down a bit.



Radiation therapy is designed to target cancer cells, but it can also affect healthy cells temporarily, leading to those side effects. You might notice your dog is more tired than usual, has red or itchy skin where the radiation was applied, or isn't interested in food.



At home, you can make your dog more comfortable by ensuring they have a quiet place to rest, offering a variety of bland but nutritious foods to tempt their appetite, and keeping the treatment area clean and dry. Avoid using any creams or lotions on their skin unless your vet has prescribed them.



Watch for signs like excessive vomiting, severe lethargy, or any ulcers or raw skin appearing in the treatment area. If these occur, they might indicate a more serious reaction that needs immediate veterinary attention.



I’m here to help you through this, so please consider booking a video consult with us on Dial A Vet. This way, we can discuss your dog's specific symptoms and tailor supportive care based on their needs. Stay hopeful; we're here to support you and your furry friend through this treatment journey.

Answered by

Louise - Senior Veterinary Nurse, Dial A Vet

June 23, 2025

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The "Ask a Vet" forum on Dial A Vet offers general information and helpful tips on pet health, but it's not a substitute for professional veterinary care. The advice here doesn't create a veterinarian-client-patient relationship, and our vets can't diagnose or treat your pet remotely. For emergencies or specific medical concerns, always contact your local veterinarian immediately. Your pet's health is unique, and decisions should only be made after consulting with a qualified professional. By using this forum, you acknowledge these limitations and agree to seek in-person veterinary advice for all your pet's health needs. View our content guidelines.
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