Acne Vulgaris (Chronic/Severe)
Acne Vulgaris (Chronic/Severe) is indexed under Dermatologic, Inflammatory Skin Disease. Also known as cystic acne, nodulocystic acne.
- US prevalence
- ~50 million affected; severe/chronic subset ~15-20% Source: AAD. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.
- ICD-10-CM codes
- L70.0, L70.1
- Typical onset
- Puberty through 20s; adult acne common in women 25-40
- Course
- managed
- Body systems
- dermatologic
- Sex differences
- Adolescence: M > F; Adult acne: F > M
- Racial and ethnic differences
- Post-inflammatory hyperpigmentation more problematic in darker skin
What this page does not establish
These figures describe populations, not individuals, and none of them is a diagnosis or a treatment recommendation. Prevalence estimates are approximate and reflect published ranges. Disparity figures are reported patterns, not causes.
Taxonomy last reviewed 2026-05-19. Each figure on the interactive page carries its own source and retrieval date, which can be later than this review.
Browse all indexed conditions · Source registry · Methodology · Known limitations