Hello,
It is a concern if it is related to a skin condition. If it is a pigment change it might not be a concern. But dogs with skin issues often turn from healthy pink to thickened and dark due to infection and/or disease. So it’s best to have your vet look at your dog.
Hello,
It is a concern if it is related to a skin condition. If it is a pigment change it might not be a concern. But dogs with skin issues often turn from healthy pink to thickened and dark due to infection and/or disease. So it’s best to have your vet look at your dog.