Why does my dog's breath smell so bad? What are the common causes?

Question

why does Lily's breath smell. Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | spayed | 5 years and 2 months old | 11 lbs

Sara Farmer, DVM · Accepted Answer

Lily could have dental disease causing foul breath - bacteria form plaque on the teeth and underneath the gumline and cause bad breath. She could have a mass or wound in her mouth if this is a sudden change, or occasionally dogs with gastrointestinal disease will also have bad breath. I'd recommend having your veterinanrian examin Lily's mouth -she may need a dental exam and cleaning under anesthesia.

Why does my dog's breath smell so bad? What are the common causes?

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