Tag: Skin Tests

New Sequential Patch Testing for Fixed Drug Eruption (FDE) Diagnosis

drugallergydetective.com

Background Fixed drug eruption (FDE) is a cutaneous adverse drug reaction characterized by erythematous plaques or blisters that recur at the same site upon re-exposure to the causative drug. It can leave residual pigmentation and, in severe cases, may present as generalized bullous fixed drug reaction (GBFDE). Objective The study aimed to evaluate the sensitivity of a standardized allergy workup for diagnosing the cause of FDE, with an emphasis on in situ repeated open application tests (ROATs). Methods A retrospective multicenter study analyzed the allergy workup practices for FDE diagnosis…

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Drug Allergy Testing: A Comprehensive Guide

drugallergydetective.com

Available Drug Allergy Skin Tests Drug allergy skin tests play a crucial role in diagnosing potential allergic reactions to medications. Among the most common tests are the prick test, intradermal test, and patch test. Each of these tests has specific methodologies, applications, and diagnostic capabilities. The prick test, also known as a scratch test, is frequently used to identify immediate allergic reactions. During this test, a small amount of the suspected allergen is placed on the skin, usually on the forearm or back, and the skin is lightly pricked with…

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