Allopurinol is the most common cause of DRESS syndrome in Hungarian patients. (18th July 2014) - Kinyó, Ágnes; Ónodi‐Nagy, Katinka; Varga, Erika; Németh, István Balázs; Korom, Irma; Gyulai, Rolland; Kemény, Lajos; Bata‐Csörgõ, Zsuzsanna