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다른 양성자 펌프 억제제에 교차반응이 없는 lansoprazole 아나필락시스
박인영 ( In Young Park ),도병주 ( Byung Joo Do ),안재성 ( Jae Sung Ahn ),이재혁 ( Jae Hyuk Lee ),이계연 ( Gye Yeon Lee ),김선형 ( Sunh Yung Kim ),최정희 ( Jeong Hee Choi ) 대한천식알레르기학회 2014 Allergy Asthma & Respiratory Disease Vol.2 No.5
Anaphylaxis to proton pump inhibitors (PPIs) has rarely been reported. Different patterns of cross-reactivity between PPIs have also been demonstrated using skin tests. Here, we report a case of anaphylaxis to lansoprazole with tolerance to other commercially available PPIs, which was proved by skin tests and oral provocation tests (OPTs). A 47-year-old female patient visited our Emergency Department with a sudden onset of whole body urticaria, facial swelling, dyspnea, and loss of consciousness that developed 1 hour after ingestion of 30 mg of lansoprazole for her episodic epigastric soreness. The skin prick test (SPT) and the intradermal test (IDT) with lansoprazole, esomeprazole, rabeprazole, and pantoprazole were performed. Lansoprazole showed positive reactions in both the SPT (3 mg/mL) and the IDT (0.003 mg/mL). Rabeprazole (3 mg/mL) showed a positive reaction only in IDT. The SPT and the IDT with esomeprazole and pantoprazole were all negative. The OPT with 30 mg of lansoprazole was positive (showing generalized rash and facial swelling 30 minuites after ingestion), while OPTs with esomeprazole, pantoprazole, and rabeprazole were all negative. Other PPIs could be safe alternatives in cases of anaphylaxis to 1 PPI. Skin tests seem to be helpful to define cross-reactivity between PPIs.(Allergy Asthma Respir Dis 2014;2:383-386)