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My dog has bad body odor, gas, and stinky breath. Will changing food help?

Updated on September 23rd, 2025

Pet's info: Dog | Bullmastiff | Male | 8 years and 11 months old | 160 lbs

My bull mastive has very bad body odor. He has alot of gas and his breath smells. Would changing his food brand help

1 Answer

Most Helpful Answer

Kevin Sanada, DVM

Answered By Kevin Sanada, DVM

Veterinarian

Published on December 7th, 2017

Changing the food may help with the gas, but is not likely to help with the body odor and bad breath. They tend to smell bad like this when they have infections. For the mouth, this usually requires a good dental cleaning. For the body, this can usually be helped by bathing a few times with a medicated shampoo (can find this in the pet store).

As for changing the food, it may require that you feed a lower calorie, less fat sort of food. I recommend starting Diezel on a senior diet food, since he is eight years old. These diets have less calories and may help if fed as directed by the manufacturer.

My best recommendation is to have Diezel evaluated by a veterinarian. They will be able to have a good look at these issues and better advise on the best solutions.

I hope that helps and all is well with Diezel.
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