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00925njm 22002777a 4500 dc Doña, Inmaculada author Torres, Maria J author Montañez, Maria I author Fernández, Tahia D author 2017 Allergy to antibiotics is an important worldwide problem, with an estimated prevalence of up to 10% of the population. Reaction patterns for different antibiotics have changed in accordance with consumption trends. Most of the allergic reactions to antibiotics have been reported for betalactams, followed by quinolones and macrolides and, to a lesser extent, to others, such as metronidazole clindamycin and sulfonamides. The diagnostic procedure includes a detailed clinical history, which is not always possible and can be unreliable. This is usually followed by in vivo, skin, and drug provocation tests. These are not recommended for severe, potentially lifethreaten reactions or for drugs that are known to produce a high rate of false positive results. Given the limitations of in vivo tests, in vitro test can be helpful for diagnosis, despite having suboptimal sensitivity. The most highly employed techniques for diagnosing immediate reactions to antibiotics are immunoassays and basophil activation tests, while lymphocyte transformation tests are more commonly used to diagnose non-immediate reactions. In this review, we describe different in vitro techniques employed to diagnose antibiotic allergy. 10.4168/aair.2017.9.4.288 2092-7355 Allergy, asthma & immunology research http://hdl.handle.net/10668/11193 28497915 http://hdl.handle.net/20.500.12105/17272 Antibiotic drug allergy in vitro test In Vitro Diagnostic Testing for Antibiotic Allergy.