TY - JOUR
T1 - Multiple-drug intolerance syndrome: clinical findings and usefulness of challenge tests
AU - Schiavino, Domenico
AU - Nucera, Eleonora
AU - Roncallo, Chiara
AU - Pollastrini, Emanuela
AU - De Pasquale, Tiziana Maria Angela
AU - Lombardo, Carla
AU - Altomonte, Giorgia
AU - Buonomo, Alessandro
AU - Patriarca, Giampiero
PY - 2007
Y1 - 2007
N2 - BACKGROUND: Multiple-drug intolerance syndrome (MDIS) is characterized by adverse reactions to several classes of chemically unrelated drugs. OBJECTIVE: To analyze all patients with a history of adverse reactions to at least 3 drugs at the Allergy Unit of Policlinico Gemelli in a 6-year period to better characterize patients with MDIS and to find safe alternative drugs. METHODS: We studied 480 patients (aged >16 years) with a history of adverse reactions to at least 3 unrelated drugs and with negative allergy test results. Patients who had experienced mild adverse reactions that remitted spontaneously underwent challenge tests without any premedication (group A). Patients with a clinical history of moderate reactions received sodium cromolyn, 500 mg, before the challenge (group B). Patients with a clinical history of severe reactions or undergoing parenteral challenges were given an antihistamine 30 minutes before the challenge (group C). RESULTS: In group A, 491 tolerance challenge tests were performed: 414 had negative results and 77 had positive results. In group B, 1,077 tolerance challenge tests were performed: 956 had negative results and 121 had positive results. In group C, 240 tolerance challenge tests were performed: 214 had negative results and 26 had positive results. Comparing the tolerance of alternative drugs in groups A and B, groups A and C, and groups B and C, no significant results were observed (P = .24, .14, and .44, respectively). CONCLUSIONS: Patients with MDIS can tolerate alternative drugs. Premedication with sodium cromolyn or oral H1-antihistamines may be useful in preventing adverse reactions.
AB - BACKGROUND: Multiple-drug intolerance syndrome (MDIS) is characterized by adverse reactions to several classes of chemically unrelated drugs. OBJECTIVE: To analyze all patients with a history of adverse reactions to at least 3 drugs at the Allergy Unit of Policlinico Gemelli in a 6-year period to better characterize patients with MDIS and to find safe alternative drugs. METHODS: We studied 480 patients (aged >16 years) with a history of adverse reactions to at least 3 unrelated drugs and with negative allergy test results. Patients who had experienced mild adverse reactions that remitted spontaneously underwent challenge tests without any premedication (group A). Patients with a clinical history of moderate reactions received sodium cromolyn, 500 mg, before the challenge (group B). Patients with a clinical history of severe reactions or undergoing parenteral challenges were given an antihistamine 30 minutes before the challenge (group C). RESULTS: In group A, 491 tolerance challenge tests were performed: 414 had negative results and 77 had positive results. In group B, 1,077 tolerance challenge tests were performed: 956 had negative results and 121 had positive results. In group C, 240 tolerance challenge tests were performed: 214 had negative results and 26 had positive results. Comparing the tolerance of alternative drugs in groups A and B, groups A and C, and groups B and C, no significant results were observed (P = .24, .14, and .44, respectively). CONCLUSIONS: Patients with MDIS can tolerate alternative drugs. Premedication with sodium cromolyn or oral H1-antihistamines may be useful in preventing adverse reactions.
KW - Multiple-drug intolerance syndrome
KW - Multiple-drug intolerance syndrome
UR - http://hdl.handle.net/10807/25566
M3 - Article
SN - 1081-1206
SP - 136
EP - 142
JO - ANNALS OF ALLERGY ASTHMA & IMMUNOLOGY
JF - ANNALS OF ALLERGY ASTHMA & IMMUNOLOGY
ER -