نتایج جستجو برای: immediate hypersensitivity
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BACKGROUND AND OBJECTIVE Administration of carbapenems to β-lactam-allergic patients has always been considered potentially harmful because of a 47.4% rate of cross-reactivity to imipenem reported in a single study. Nevertheless, recent studies have shown that the rate of cross-reactivity of imipenem and meropenem with penicillins is lower than 1%. The aim of this study was to evaluate the poss...
diagnostic skin tests. All parasites may not necessarily produce as intense or as long-lasting an immediate hypersensitivity as does T. canis (Wiseman and Woodruff, 1970), and any trial of an antigen in subjects with different known infections should preferably include a direct comparison with their response to homologous antigen. This sesponse cannot be predicted reliably from the presence of ...
www.aafp.org/afp AMERICAN FAMILY PHYSICIAN 621 patient, such as allergen avoidance, medications, and, sometimes, immunotherapy (Table 2). For example, a patient with a specific pollen allergy may be instructed to increase medication use during the pollen season. Patients with an animal allergy may be instructed to use allergy or asthma medication before exposure. There are several types of spec...
The present article addresses the advances in the diagnosis and management of drug hypersensitivity reactions that were discussed in the 4th Drug Hypersensitivity Meeting held in Rome in April 2010. Such reactions can be classified as immediate or nonimmediate according to the time interval between the last drug administration and onset. Immediate reactions occur within 1 hour, and nonimmediate...
The effects of the following parameters on the immunologic specificity of delayed and immediate hypersensitivity reactions were investigated in the guinea pig using the picryl and p-toluenesulfonyl systems: (a) the contribution of the carrier protein, (b) the effect of the number of hapten groups per molecule of the immunizing and challenging antigens, and (c) the effect of interposing a 6 carb...
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