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Is my dog's bad breath and nasal mucus a sign of something serious?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | neutered | 3 years and 10 months old

Our Chiweenie has had this problem all year. thought allergies. Blows his nose alot to clear mucus. One nostril interior is pink. Breath doesn't smell good. Doesn't labor with breathing. Not reverse sneeze.

1 Answer

Most Helpful Answer

Andrea M. Brodie, DVM

Answered By Andrea M. Brodie, DVM

Veterinarian

Published on November 4th, 2016

Blue may have a chronic tooth root abscess or a sinus abscess which is causing inflammation in his upper airways and causes mucus production and at the same time may drain into his mouth causing the smelly breath. Please take Blue to your veterinarian for an exam. The vet will closely inspect the teeth for damage and tartar, the gums for swelling and inflammation and may want to do some xrays of the head. Tooth root abscesses require removal of the affected tooth and antibiotic treatment, depending on the extent of the abscess.
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