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Pediatric Acne



Acne occurs when a hair follicle (pore) becomes clogged with oil, bacteria or dirt, and creates a bulge in a child’s skin.

Expanded overview

The body has sebaceous glands that produce oil to keep the skin from drying out. Acne occurs when the glands create too much oil and clog the hair follicles (spots on the skin where hair grows out). Follicles are also commonly called pores. Once clogged, bacteria can grow, which creates a bulge in a child’s skin. Bacteria and dirt can also clog the pores.

Acne usually develops on the face, neck, back, chest and shoulders, as this is where the largest number of oil glands are located. It’s one of the most common skin conditions.


While the cause is still unknown, acne has been associated with the following:

  • Hormones – changes in the baby’s skin as (s)he passes the mother’s hormones during puberty (between the ages of 10 and 14 for girls and between the ages of 12 and 16 for boys*), menstrual cycles and pregnancy
  • Makeup or other skincare products – can clog the pores, especially if left on for extended periods of time
  • Sweat and humidity – causes a specific type of yeast acne
  • Irritants – anything rubbing against skin, like clothing
  • Medicine – some medicines, like corticosteroids, can cause acne


Acne can develop in infants (birth to 1 year**) as early as 6 weeks old and can last for 6 to 12 months. It’s also more common in boys. Acne can also develop during puberty and last throughout the adult years.

Symptoms include:

  • Blackhead (small, black bump)
  • Cyst (solid, raised bump with pus)
  • Dark skin patches
  • Nodule (solid, raised bump with no pus)
  • Papule (clogged deeper into the skin, hair follicle wall is irritated)
  • Pustule (inflamed hair follicles)
  • Scarring
  • Whitehead (small, white bump)

*Age of puberty is middle childhood to teenage years as defined by the Center for Disease Control (CDC).
**Age of infants as defined by the World Health Organization (WHO).

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