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Question:

Dog has mysterious fever and 2 diagnosis in a few days

I'm reaching out because I'm at my wits' end with my poor dog, Bella. She's been running a persistent fever for a few days now, and I’m just exhausted and really worried about her. We went to the vet initially, and they diagnosed her with an infection, gave her antibiotics, and sent us home. But after two days, she was even more lethargic and her temperature shot up again, so I rushed her back. This time, another vet suggested it might be Lyme disease and ran some tests. The thing is, nothing conclusive has come back yet, and we're just stuck waiting. I'm scared because she usually has so much energy, and now she won’t even eat her favorite treats. Has anyone been through something similar or have any advice on what else I can do to help her? Maybe other possible things I should ask the vet to consider? I just want my Bella back to her playful self. Thanks so much in advance for any guidance you can offer.

Answer:

Hi there! It sounds like you’re really concerned about your dog’s fever and the differing diagnoses. I’m here to help you understand what might be going on and guide you on how to care for your furry friend at home.



A fever in dogs can be caused by various things, including infections (bacterial, viral, or fungal), inflammation, or even something as simple as overheating. Sometimes, a definitive cause isn't immediately clear, which could explain the two diagnoses. This can often happen when different symptoms appear over time, leading to different interpretations.



At home, make sure your dog has plenty of fresh water to keep hydrated, as fever can lead to dehydration. Offer them a comfortable, cool place to rest. You might gently dampen their fur with a wet cloth to help cool them down. It's important not to give human medications to your dog without veterinary guidance, as they can be harmful.



Keep a close eye on their symptoms. Watch for signs like lethargy, loss of appetite, vomiting, diarrhea, or breathing changes. If these occur, or if the fever persists beyond 24-48 hours, it's crucial to seek veterinary care promptly.



Consider booking a video consult with us on Dial A Vet to discuss your pet’s condition more thoroughly. We can help work through lingering issues and ensure your dog is on the road to recovery.

Answered by

Louise - Senior Veterinary Nurse, Dial A Vet

June 21, 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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