Fixed drug eruption due to ibuprofen with patch test positive on the residual lesion.

. Bannon GA. What makes a food protein an allergen? Curr Allergy Asthma Rep. 2004;4:43--6. . Lin RY, Schwartz LB, Curry A, et al. Histamine and tryptase levels in patients with acute allergic reactions: an emergency department-based study. J Allergy Clin Immunol. 2000;106:65--71. . Fernandez-Rivas M, Cuevas M. Peels of Rosaceae fruits have a higher allergenicity than pulps. Clin Exp Allergy. 1999;29:1239--47. . Bianchi A, Di Rienzo Businco A, Bondanini, Mistrello G, Carlucci A, Tripodi S. Rosaceae-associated exercise-induced anaphylaxis with positive SPT and negative IgE reactivity to Pru p3. Eur Ann Allergy Clin Immunol. 2011;43:122--4. S. Miceli Sopoa,∗, S. Monacoa, V. Giorgioa, M. Calvanib, G. Mistrelloc, R. Onesimoa a Department of Paediatrics, Catholic University, Rome, Italy b Department of Paediatrics, San Camillo Hospital, Rome, Italy c Lofarma SpA, Milano, Italy ∗Corresponding author. E-mail address: [email protected] (S. Miceli Sopo).