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What is a fever of unknown origin (FUO) and how does it cause your dogs to have high fever?

ANSWER

There are times when the cause of dog fever cannot be readily determined; this is called "fever of unknown origin," or FUO. The most likely causes for dog fever of unknown origin are disorders of the immune system, bone marrow problems, undiagnosed infections, and cancer.

From: High Fever in Dogs WebMD Medical Reference

SOURCES:

Veterinary Information Network web site, Veterinarypartner.org: '' ;'' '' ;'' '' ;'' '' ;'' and '' .'' FeverHyperthermia (Heat Stroke, Heat Prostration)DistemperCanine InfluenzaVaccine FAQ and General Information

The Merck Veterinary Manual web site: '' .'' Fever of Unknown Origin

ASPCA web site: '' .'' Foods that are Hazardous to Dogs

ASPCA Professional web site: '' .'' Antidepressant drug overdoses in dogs

Reviewed by Amy Flowers on May 13, 2018

SOURCES:

Veterinary Information Network web site, Veterinarypartner.org: '' ;'' '' ;'' '' ;'' '' ;'' and '' .'' FeverHyperthermia (Heat Stroke, Heat Prostration)DistemperCanine InfluenzaVaccine FAQ and General Information

The Merck Veterinary Manual web site: '' .'' Fever of Unknown Origin

ASPCA web site: '' .'' Foods that are Hazardous to Dogs

ASPCA Professional web site: '' .'' Antidepressant drug overdoses in dogs

Reviewed by Amy Flowers on May 13, 2018

NEXT QUESTION:

What do I need to do if my dog has a high fever temperature greater than 103 F?

WAS THIS ANSWER HELPFUL

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

    This tool does not provide medical advice. See additional information.