Why does my puppy's breath smell metallic?
In pups the metallic smell is often a result of loosing baby teeth, this can cause small amounts of blood which is what produces the smell.
Puppies can be teething until the age of 11 months as all dogs are different.
Yes digestive problems can cause bad breath but this is more often a sour smell and not metallic.
Dogs also lick because they like the taste of an owner's salty skin and out of habit.
Mostly, with domestic Dogs, it's a sign of affection.
Licking releases pleasurable endorphins which gives Dogs a feeling of comfort and pleasure — like the feeling people get when they are biting their nails — it relieves stress.
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