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Question:

Would Valley Fever be caught on an X-Ray or Ultrasound?

I could really use some advice or reassurance from anyone who's dealt with Valley Fever in pets. My dog, Max, has been coughing and unusually lethargic lately, and I’m starting to get really worried. We took him to the vet, and they’ve suggested that Valley Fever might be the culprit, but I'm freaking out a bit because I'm not sure how it's usually diagnosed. The vet mentioned doing either an X-Ray or an Ultrasound, but I didn't catch whether one is better than the other for this kind of thing. Has anyone gone through this before? What helped you figure out what was going on? Max means the world to me, and I just want to do whatever it takes to get him back to his happy, bouncy self. Any guidance you could share would be so appreciated!

Answer:

Hi there! It's great that you're being proactive about your pet's health. Valley Fever, caused by a fungus in the soil, primarily affects pets in the Southwest United States. It can manifest in various ways, often leading to respiratory issues or affecting bones and other organs.

Both X-rays and ultrasounds can indeed help in diagnosing Valley Fever, but not by directly identifying the fungus. An X-ray might reveal signs like lung changes if your pet is experiencing respiratory issues or bone involvement if that's where the infection is. Ultrasound can highlight abnormalities in organs like the liver or spleen.

However, these imaging techniques are generally part of a broader diagnostic approach. Definitive diagnosis usually requires blood tests to detect antibodies against the fungus or other specific tests if organs are involved.

At home, ensure your pet gets plenty of rest and stays hydrated. Keep a close eye for signs like coughing, fatigue, lameness, or loss of appetite. If you notice these or a sudden worsening of symptoms, it's important to seek veterinary care promptly.

If you're still concerned about your pet possibly having Valley Fever or any other health issue, booking a video consult with one of our experienced vets on Dial A Vet can give you peace of mind and guide you on the next steps.

Answered by

Louise - Senior Veterinary Nurse, Dial A Vet

June 18, 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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