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Why is my 8-year-old Yorkie suddenly lethargic with bad breath?

Updated On September 23rd, 2025

Pet's info: Dog | Yorkshire Terrier | Male | unneutered | 12 lbs

My eight year old yorkshire terrier who is usually a live wire has suddenly become very lethargic he is eating and drinking ok but his breath is also bad

1 Answer

Most Helpful Answer

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Answered By Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

Veterinarian

Published on November 22nd, 2017

This is a quite generic but concerning sign. Differentials are many, from gastrointestinal or urinary tract diseases (infection/inflammations often dietary related) to any disease that can spread systemically (causing lethargy and hyperthermia for example) like infection, and anything that can cause pain/discomfort. The approach must be logic. A check up is needed if lethargy lasts for more than 24hours. Please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further.

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