To the Editor: In the recently published article “Successful treatment of linear immunoglobulin A bullous dermatosis with dupilumab in a pediatric patient,” Almuhanna et al1 described the first reported case to date of linear IgA bullous dermatosis (LABD) successfully treated with dupilumab in a 7-year-old patient. The gene discussed is CD79A; the disease is autoimmune bullous skin disease.