IntroductionThe utilization of skin adhesives for closure is typically secondary to its noninvasive application and aesthetic benefits. Allergic reactions to Dermabond™ can occur, though there are no reported cases in pediatric patients following cardiac implantable electronic device (CIED) implantation. The allergic reaction to skin glues is typically to cyanoacrylates, the primary component of Dermabond™.Methods and ResultsThis report describes severe allergic contact dermatitis due to sensitization to cyanoacrylate in an 18‐year‐old with repaired congenital heart disease and postoperative atrioventricular block following CIED upgrade procedure.ConclusionThis demonstrates the importance of prompt diagnosis of allergic contact dermatitis, which can be confused with local infections.