![Has anyone else dealt with bad puppy breath? He's 5 months old and it smells fishy. Is it from teething? It never used to be bad : BorderCollie Has anyone else dealt with bad puppy breath? He's 5 months old and it smells fishy. Is it from teething? It never used to be bad : BorderCollie](https://preview.redd.it/ai0130ieb7k71.jpg?auto=webp&s=28f4b5cbd1b5ce8ba041241c8c10031a3714a9c9)
Has anyone else dealt with bad puppy breath? He's 5 months old and it smells fishy. Is it from teething? It never used to be bad : BorderCollie
![Has anyone else dealt with bad puppy breath? He's 5 months old and it smells fishy. Is it from teething? It never used to be bad : BorderCollie Has anyone else dealt with bad puppy breath? He's 5 months old and it smells fishy. Is it from teething? It never used to be bad : BorderCollie](https://preview.redd.it/wcf1e61s6p781.jpg?width=640&crop=smart&auto=webp&s=04b0264e125a680b43ecbc2e393585ab92c2a69a)
Has anyone else dealt with bad puppy breath? He's 5 months old and it smells fishy. Is it from teething? It never used to be bad : BorderCollie
![Has anyone else dealt with bad puppy breath? He's 5 months old and it smells fishy. Is it from teething? It never used to be bad : BorderCollie Has anyone else dealt with bad puppy breath? He's 5 months old and it smells fishy. Is it from teething? It never used to be bad : BorderCollie](https://preview.redd.it/qeujmf2f8i781.jpg?width=640&crop=smart&auto=webp&s=f0e58c7cd7e22b92bfdc06be70217f70a1270961)