What does hyperpigmentation in dogs look like?
Ava Mcdaniel
Updated on March 21, 2026
Hyperpigmentation is a darkening and thickening of the skin seen in dogs. It is not a specific disease but a reaction of a dog's body to certain conditions. Hyperpigmentation appears as light-brown-to-black, velvety, rough areas of thickened, often hairless skin. The usual sites are in the legs and groin area.
How do you treat hyperpigmentation in dogs?
Treatment of hyperpigmentation in dogsIn some dogs, the condition is only cosmetic and does not require treatment. If inflammation is present, early cases may respond to shampoo treatment and steroid ointments. As signs progress, other treatment, such as medication given by mouth or injection, may be useful.