Description

Birthmarks are areas of skin that are discolored from birth or shortly after, caused by extra pigment cells or blood vessels clustered in one area. Most are harmless and many fade over time, though a dermatologist can help identify the specific type and monitor for any changes worth watching.

Causes

Depending on the type, birthmarks form from a concentration of pigment-producing cells (melanocytes) or blood vessels during fetal development.

Prevention

Birthmarks cannot be prevented, since they form before or shortly after birth.

Treatment Options

Many birthmarks need no treatment. When treatment is wanted, options include laser therapy for vascular or pigmented birthmarks, and surgical removal for select types.

Myths vs. Facts

Myth: All birthmarks are permanent. Fact: Many common birthmarks, like Mongolian spots, fade significantly or disappear entirely within the first few years of life.

When to See a Dermatologist

If a birthmark changes in size, shape, or color, or if you'd like it evaluated or treated.

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