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Question:

Dog sudden weight loss, regurgitation of food, yellow poop, lymph nodes as big as baseballs in abdomen only

I'm really worried about my 4-year-old Labrador, Max. Over the past couple of weeks, he's been losing weight rapidly even though his appetite seems more or less the same. It's so weird because when he eats, he sometimes just regurgitates it shortly after. His poop has turned this unsettling yellow color, which doesn’t seem normal to me. What really has me freaking out is that I can feel these lumps in his abdomen that are about the size of baseballs. Has anyone experienced anything similar with their dogs? I’m trying to get him to the vet, but I would really appreciate any advice or insights you might have while we wait. It’s heartbreaking to see him like this, and I’m scared something serious is going on.

Answer:

Hello there! I'm here to help you make sense of what's going on with your dog. It sounds like your furry friend is experiencing some concerning symptoms, and it's great that you're reaching out for advice.



When a dog shows sudden weight loss, regurgitation, yellow poop, and enlarged lymph nodes, these can be signs of an underlying issue. The enlarged lymph nodes could indicate an infection, inflammation, or more serious conditions like cancer. Yellow poop often suggests issues with digestion or liver function. Regurgitation may occur if your dog's digestive system is compromised.



At home, ensure your dog is eating a bland diet—boiled chicken and rice can be gentle on their stomach. Keep them hydrated, and monitor their energy levels. However, enlarged lymph nodes and persistent symptoms are worrisome and should not be ignored.



Watch for other signs like vomiting, diarrhea, changes in appetite or water intake, lethargy, or pain when touching the abdomen. This combination of symptoms can be serious and warrants prompt veterinary attention.



I recommend booking a video consult with us at Dial A Vet as soon as possible. We can discuss these symptoms in more detail and determine the best care plan for your dog. Your quick action can make a significant difference in getting your pet the help they need!

Answered by

Louise - Senior Veterinary Nurse, Dial A Vet

June 19, 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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