Revisiting Rosacea Criteria: Where Have We Been, Where Are We Going, and How Will We Get There?

Rosacea is one of the most common and misunderstood dermatologic conditions. Currently, rosacea criteria are based on expert opinion; the definition of rosacea is primarily a reflection of opinion that is prone to bias. It has been more than a decade since the initial criteria were created by the National Rosacea Society. Revisiting the criteria and incorporating evidence-based techniques used by rheumatology and psychiatry can improve the validity and reliability of rosacea criteria. Literature from other specialties is reviewed and a method proposed for developing valid criteria. Examples are provided to motivate and highlight the importance of implementing such techniques.