The condition is most common in teenagers with about 60% affected sufficiently to seek treatment. The peak incidence is seen in females aged 14-17 years and in males aged 16-19 years (1).
This age group is not affected exclusively:
- about 5% of women and 1% of men aged 25-40 years either continues to get acne lesions or they may develop late-onset acne. The prevalence in this age group is believed to be increasing (1).
Presentation in infancy occurs rarely.
Last reviewed 08/2021