When should an owner become concerned that bad breath might be a major issue in their dog? What are some things that can lead to bad breath?

you would know if it became a problem, o lot of things cause it, i give my dog, dental treats this helps

Hi
Has she had a dental lately? A lot of toy breeds have problem teeth. Part of it could also be the food she's eating. Do you brush her teeth regularly? It would be best for her to have a dental check-up, she likely needs a cleaning. Tooth and gum disease can lead to very serious health problems - kidney disease for example.

Bad breath (halitosis) can be embarrassing and may cause anxiety..Certain foods, health conditions and habits are among the causes of bad breath. Bad breath is breath that has an unpleasant odor.Bad Breath is usually caused by the breakdown of proteins by bacteria somewhere in the mouth.There are also certain steps to identify the Bad Breath.

what your dog eats can cause bad breathe also hygiene plays a big role.