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Anafilaxia a beta-lactâmicos – Quando a tolerância não exclui alergia

dc.contributor.authorPalhinha, Ana Patrícia Galamba
dc.contributor.authorLobato, Mariana
dc.contributor.authorRomeira, Ana Margarida
dc.contributor.authorPinto, Paula Leiria
dc.contributor.institutionCentro de Estudos de Doenças Crónicas (CEDOC)
dc.contributor.institutionNOVA Medical School|Faculdade de Ciências Médicas (NMS|FCM)
dc.contributor.pblSociedade Portuguesa de Alergologia e Imunologia Clinica
dc.date.accessioned2022-10-24T22:13:50Z
dc.date.available2022-10-24T22:13:50Z
dc.date.issued2022
dc.descriptionPublisher Copyright: © 2022, Sociedade Portuguesa de Alergologia e Imunologia Clinica. All rights reserved.
dc.description.abstractBeta-lactams are a major cause of anaphylaxis in adults. We describe two cases of patients with symptoms of anaphyla-xis after taking beta-lactams that after the resolution of the initial reaction were able to keep the drug and tolerated a com-pleted treatment period. During the investigation, the skin tests were positive for the suspected beta-lactam and the patients underwent a drug provocation test, which identified an alternative beta-lactam. We suggest that anaphylaxis led to a con-sumption of mediators of the allergic inflammation, allowing a temporary tolerance of mast cells and basophils to the drugs in question, which was maintained by continuous exposure. We intent to alert to the possibility that tolerance after an allergic reaction to drugs may be misleading. Thus, the importance of carrying out allergic investigation in situations of tolerance im-mediately after anaphylaxis, which will allow to exclude/confirm the existence of hypersensitivity and reduce the risk of recurrence of potentially fatal conditions.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent5
dc.format.extent166313
dc.identifier.doi10.32932/rpia.2022.09.089
dc.identifier.issn0871-9721
dc.identifier.otherPURE: 47286595
dc.identifier.otherPURE UUID: 5fe6ee89-67cd-4391-9427-f34ddb975c1e
dc.identifier.otherScopus: 85139942942
dc.identifier.urihttp://hdl.handle.net/10362/144965
dc.identifier.urlhttps://www.scopus.com/pages/publications/85139942942
dc.language.isopor
dc.peerreviewedyes
dc.subjectAnaphylaxis
dc.subjectbeta-lactams
dc.subjectdrug allergy
dc.subjecttolerance
dc.subjectImmunology and Allergy
dc.subjectImmunology
dc.titleAnafilaxia a beta-lactâmicos – Quando a tolerância não exclui alergiapt
dc.title.alternativeBeta-lactams anaphylaxis – When tolerance doesn’t exclude allergyen
dc.typejournal article
degois.publication.firstPage223
degois.publication.issue3
degois.publication.lastPage227
degois.publication.titleRevista Portuguesa de Imunoalergologia
degois.publication.volume30
dspace.entity.typePublication
rcaap.rightsopenAccess

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