An EAACI Task Force report on allergy to beta-lactams in children: Clinical entities and diagnostic procedures

Natalia Blanca-Lopez1, Marina Atanaskovic-Markovic2, Eva R Gomes3

  • 1Allergy Unit, Infanta Leonor University Hospital, Madrid, Spain.

Insights

Beta-lactam allergy suspicion is common in children, but most reactions are unconfirmed. This review discusses updated diagnostic approaches for beta-lactam allergy in pediatric patients.

Area of Science:

  • Pediatric Allergy and Immunology
  • Clinical Immunology
  • Pharmacology

Background:

  • Beta-lactam (BL) allergy is frequently suspected in children, posing a significant public health concern impacting patient health and healthcare costs.
  • A substantial proportion of suspected BL reactions are not confirmed upon comprehensive allergic workup.
  • Recent research has intensified the investigation into the diagnostic accuracy of available allergy tests for BL hypersensitivity.

Purpose of the Study:

  • To review and discuss the diagnostic strategies for various forms of beta-lactam allergy in pediatric populations.
  • To address the ongoing debate regarding the optimal allergic workup for immediate reactions to BL.
  • To provide insights into managing severe cutaneous adverse drug reactions in children.

Main Methods:

  • Literature review focusing on the most relevant studies concerning the diagnosis of beta-lactam allergy in children.
  • Analysis of current diagnostic guidelines and emerging research findings.
  • Discussion of diagnostic test utility, including skin tests and drug provocation tests.

Main Results:

  • It is increasingly accepted that skin testing can be omitted before drug provocation tests in children with benign, non-immediate BL reactions.
  • A consensus on the optimal diagnostic pathway for benign immediate reactions to BL in children is still under development.
  • Management of severe cutaneous adverse drug reactions related to BL remains challenging.

Conclusions:

  • Diagnostic approaches for pediatric beta-lactam allergy have evolved, particularly for non-immediate reactions.
  • Further research and consensus are needed to define the best diagnostic workup for immediate BL reactions in children.
  • Effective management strategies for severe BL-induced cutaneous reactions require continued investigation.