Why does my dog have a dark spot on her tongue? Is it a concern?

Question

13-y.o. spayed Pom. She does not smoke/drink alcohol. All of a sudden dark spot appears on her tongue (see photo). What are reasons for pigmentation change? No raised surface detected. Size/shape appears to be stable. She has no teeth, laps food with her tongue.

Stacey Anstaett, DVM · Accepted Answer

As long as its not raised, and its never been ulcerated/bleeding, and its not changing in size, I don't think you need to be concerned. Pigment of skin and mucous membranes (gums, tongue, etc) can change with age and it is not indicative of a problem. If it DOES seem to be changing, if it becomes ulcerated or raised, talk to your vet; if that occurs, then it needs to be biopsied. But as I said already, based on what your saying and on your photo, I'm not worried. This can be a normal change. No one knows exactly why it happens. Thanks for asking Petco Pet Education Center, formerly Petcoach!

Why does my dog have a dark spot on her tongue? Is it a concern?

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