
Punctures or bites can turn into abscesses. The skin over the abscess is generally abnormal in color, and can range from red to bruised/black. Abscesses – An abscess is a localized pocket of infection that contains pus.Punctures can occur from trauma or from a bite wound from another animal. Punctures – A puncture can appear as a black bump in dogs.Insect bites – A bite, such as one from a wasp, bee, or spider can cause local skin inflammation that appears as a pigmented bump.For example, this can be dried chewing gum, food, or a plant burr. Foreign bodies – Something caught in the hair next to the skin can be mistaken for a pigmented lump.Clipping the hair and careful close examination can usually reveal that a pigmentation is a scab and not a tumor. Scabs can be large or small and are often pigmented.

Scabs – A scab is a rough, dry crust that forms as a protective barrier over a healing cut, laceration, puncture, or wound.
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Learn more about how to remove a tick from a dog. Veterinarians commonly remove ticks from dogs that were mistaken for small-pigmented skin lumps.

Ticks are irritating arthropods that prey on dogs and attach themselves to the skin as they take their blood meals.

The most dangerous cause of a pigmented lump or bump on the skin is melanoma. This is correct since, just as with people, dogs can also get skin cancer. The concern often stems from how human medicine has educated us about the dangers of skin cancer. Pigmented lumps or black lumps on dog skin can cause pet parents to panic. What Does a Black Lump on a Dog’s Skin Mean?
