Birthmarks in children present in various forms, most commonly as brown-black pigmented birthmarks and red-purple vascular birthmarks. It is common for these marks to change in size or darken over time. However, the appropriate treatment approach depends on the specific type of birthmark, its rate of progression, and the depth of the lesion beneath the skin.

Given that your baby is only 6 months old and the birthmark, though present since birth, has recently grown quickly, it is essential to determine if it is a vascular or a pigmented birthmark. These two types progress differently and require distinct treatment methods.

Doctor Thu advises a mother on her child's skin condition. Illustration: *Tam Anh General Hospital*.

If the baby's birthmark is a vascular type, characterized by a red-purple color and gradual spreading, doctors typically monitor its development to see if it stabilizes or continues to grow. Most congenital vascular birthmarks regress spontaneously within 5 years, with outcomes depending on their severity and whether other organs are affected.

For brown-black pigmented birthmarks that darken over time, doctors often recommend early intervention. Laser treatment at this stage can limit the birthmark's spread as the child ages. A 6-month-old can undergo laser treatment, which usually requires only a topical anesthetic or a cooling system to alleviate discomfort.

Some cases may require several months of observation to assess whether the birthmark stabilizes or continues to develop. Not all pigmented birthmarks should be treated with laser immediately at 6 months, as a baby's skin is delicate and prone to strong reactions. When treatment is necessary for young children, very low energy levels are used with a supportive cooling system, making the risk of redness, burns, or scarring from laser treatment low.

You should take your baby to a hospital with a Department of Dermatology - Aesthetic Dermatology. A specialist can then examine the birthmark, correctly identify its type, and determine the most suitable treatment plan.

Master, Doctor, Level I Specialist Tran Nguyen Anh Thu

Department of Dermatology - Aesthetic Dermatology

Tam Anh General Hospital TP HCM