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Related Experiment Videos

Successful azithromycin desensitization using a modified protocol after initial reaction: A pediatric case report.

Ahmad Almtrafi1, Bashayer Habib1, Rayan Al Lohaibi2

  • 1Division of Pediatric Infectious Disease, Department of Pediatrics, King Abdullah Specialized Children's Hospital, MNGHA, King Abdullah International Medical Research Center, Jeddah, Saudi Arabia.

Idcases
|July 1, 2026
PubMed
Summary

Related Concept Videos

Allergic Reactions02:06

Allergic Reactions

Overview
Desensitization and Tachyphylaxis01:20

Desensitization and Tachyphylaxis

Tachyphylaxis is described as a rapid decrease in response to a drug after repeated or continuous administration of the same drug dose. It is a phenomenon where the body becomes less responsive to a particular substance or intervention over time, requiring higher doses or stronger interventions to achieve the same effect. It results from adaptive changes in the body's receptors, signaling pathways, or physiological processes that occur in response to prolonged exposure to a stimulus.
Several...

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Azithromycin desensitization successfully treated pertussis in an infant with a macrolide hypersensitivity. This individualized approach managed a severe infection when alternative antibiotics were unsuitable.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Clinical Immunology

Background:

  • Pertussis (whooping cough) poses significant risks to infants, necessitating prompt treatment.
  • Macrolide antibiotics like azithromycin are standard for pertussis but can cause hypersensitivity reactions.
  • Alternative antibiotics may be unsafe or impractical for infants with pertussis.
Keywords:
Anaphylactic reactionAzithromycinBordetella infectionMacrolidesWhooping cough

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