Patch Testing for the Busy Clinician

Patch testing is a diagnostic tool used to identify contact allergens responsible for allergic contact dermatitis, utilizing Type IV hypersensitivity mechanisms with patches applied for 48 hours and read at 96 hours. In this presentation, Elle de Moll, MD, a Clinical Assistant Professor in New Haven, Connecticut, reviews the TRUE test, testing precautions, and the impact of dupilumab on patch test results while outlining allergens such as Balsam of Peru and Nickel that can cause systemic reactions. A step-by-step guide details the necessary supplies and procedures for effective patch testing, ensuring clinicians can accurately diagnose and manage allergic contact dermatitis.