Pigmented birthmarks are areas in which the color of the birthmark is different from the color of the rest of the skin. Pigmented birthmarks are skin markings that are present at birth and might range from blue or black, to brownish or can be gray. The amount and location of melanin (it is a substance that determines skin color) determines the color of the pigmented birthmarks.
The pigmented birthmarks increase in size as the child ages, leading to color changes, itching, and might lead to occasional bleeding. There is no way to prevent pigmented birthmarks as they are present by birth but people with birthmarks can use good quality sunscreen to prevent any complications.
There are different types of pigmented birthmarks which include-
Some complications of pigmented birthmarks include the psychological effects in cases when the pigmented birthmark is prominent. They can also lead to increased skin cancer. They can cause pain, itching, bleeding, inflammation, or ulceration of a congenital nevus or a skin lesion.