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Why is my 10-year-old dog tired, withdrawn, and not himself?

Updated On September 23rd, 2025

Pet's info: Dog | Brussels Griffon | Male | neutered | 10 years and 4 months old | 15 lbs

My dog is 10 yrs old. he is acting very tired and nt barking or acting his usual self. he is eating drinking water and going bathroom ok but his withdrawn behavior

1 Answer

Most Helpful Answer

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Answered By Jenna Beyer, DVM, MBA, cVMA

Veterinarian, Certified Veterinary Acupuncturist

Published on October 9th, 2017

This can be caused by many different things, including impending illness, stress, pain, a change in his environment, behavioral, etc. I would recommend a good checkup with a vet to see if there is a medical cause. The vet will perform a thorough physical exam and look for any abnormalities or sources of potential pain. Bloodwork may be recommended to for internal medical illnesses. If nothing is uncovered, then they may discuss other treatments such as things for stress or help you evaluate what started this new attitude.

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