Unhealthy gums in dogs can indicate underlying issues ... It's perfectly normal for your dog to have black patches on its gums. But if the discoloration is new, or accompanied by terrible breath ...

In addition to having a black or spotted tongue, dogs can have black or spotted gums and lips as well. While a pigmented black dog tongue can be considered completely normal in many dogs, there are ...

Another extremely common category of causes of pale gums in dogs is anemia. Anemia is characterized by decreased red blood ...