..., according to the OCT results. Most of the proven allergic reactions were of the immediate type (73.9%), and urticaria was the most common presenting complaint (60.8%) in proven BL-allergic patients. The negative predictive value of penicillin-G skin testing was 89.7% for immediate-type penicillin allergy...

...Melinda Jiang; Stephen Bacchi; Lydia Lam; Joshua M. Inglis; Samuel Gluck; William Smith; Toby Gilbert Introduction: Penicillin allergy labels are common. However, many penicillin allergy labels have been applied incorrectly and in fact represent penicillin intolerance. Patients with penicillin...

... evaluated via history, sIgE measurements, skin tests, and drug provocation tests over a period of 5 years. Results: β-Lactam allergy was confirmed in 10 (14.9%) patients. Six patients had a positive intradermal test result to one or more of the penicillin skin test materials or ceftriaxone, 4 patients...

...Ronit Confino-Cohen; Yossi Rosman; Idit Lachover; Keren Meir Shafrir; Arnon Goldberg Background: Immediate allergic reactions to β-lactam antibiotics are considered to be one of the most important drug hypersensitivities. A positive skin test (ST) with a combination of major and minor penicillin...

...Kamran A. Ahmed; Stephanie J. Fox; Evangelo Frigas; Miguel A. Park Background: The risk of cephalosporin administration in patients with a history of penicillin allergy is unclear. Few studies have looked at the risk of cephalosporin administration in children following penicillin skin testing...

...Gulfem E. Celik; Ömür Aydin; Figen Dogu; Funda Çipe; Ayşe Boyvat; Aydan Ikinciogullari; Aynur Akyol; Yavuz S. Demirel Background: Diagnosing immediate hypersensitivity to β-lactam antibiotics is still a significant problem. Recently, a new penicillin testing reagent was introduced to the market...

...A. Antico; M. Pagani; E. Compalati; P.P. Vescovi; G. Passalacqua Background: Some clinical studies have demonstrated that skin tests for β-lactam antibiotics may cause more adverse reactions than skin tests for common allergens. Objective: To assess the risk of systemic reactions from penicillin...

...Miguel A. Park; Brad J. McClimon; Brent Ferguson; Patricia J. Markus; Laura Odell; Andrea Swanson; Kristin E. Kloos-Olson; Peter F. Bjerke; James T. Li Background: Over 90% of patients with a history of penicillin allergy have negative penicillin skin tests. Pharmacists are trained to identify...

... to penicillins, 8 (5.6%) to cephalosporins and 17 (11.9%) to both penicillins and cephalosporins. Nine (6.3%) patients were sensitized to cefuroxime (6 diagnosed by provocation test): 5 (55.6%) in the penicillin-only allergic group and 4 (44.4%) in the penicillin and cephalosporin allergic group. Prevalence...

...Raz Somech; Elizabeth A. Weber; Sasson Lavi Background: Cephalosporins can induce severe or life-threatening IgE-mediated reactions in some individuals. In this study, we wish to describe a group of non-penicillin-allergic patients who were evaluated for immediate allergic reactions...

... responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements. Sulphidoleukotriene production β–Lactam allergy Penicillin Amoxicillin In vitro tests β–Lactam antibiotics are the most frequent cause...