Key clinical point: Use of combination products for acne has increased, and the most commonly prescribed combination has changed over time.
Major finding: Spending on combination products for acne has increased by more than 500% in the past 20 years.
Study details: A retrospective analysis of data on prescriptions and expenditures.
Disclosures: The National Center for Advancing Translational Sciences supported the study.
Li D et al. AAD 2019,.