Neurotoxicity induced by beta-lactam antibiotics: from bench to bedside

K M Chow1, A C Hui, C C Szeto

  • 1Department of Medicine & Therapeutics, Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, China. chow_kai_ming@alumni.cuhk.net

Insights

Beta-lactam antibiotics, like penicillin, can cause central nervous system toxicity. This review updates knowledge on antibiotic neurotoxicity, its mechanisms, and clinical effects for safer drug use.

Area of Science:

  • Pharmacology
  • Neuroscience
  • Toxicology

Background:

  • Central nervous system (CNS) toxicity is a known risk associated with beta-lactam antibiotics.
  • Penicillin serves as the prototype for this class of drugs.
  • Recent research has advanced the understanding of antibiotic-induced neurotoxicity.

Purpose of the Study:

  • To review the experimental and clinical aspects of beta-lactam antibiotic neurotoxicity.
  • To provide an update on the pathogenesis, mechanisms, and clinical manifestations.
  • To explore the link between antibiotic structure and neurotoxic effects, specifically convulsive action.

Main Methods:

  • Literature review of experimental studies.
  • Analysis of clinical case reports and human clinical experience.
  • Examination of animal models of antibiotic neurotoxicity.

Main Results:

  • Discussion of prevailing theories on the pathogenesis and mechanisms of neurotoxicity.
  • Overview of the relationship between the chemical structure of beta-lactam antibiotics and their potential to induce seizures.
  • Synthesis of current understanding from both preclinical and clinical data.

Conclusions:

  • Enhanced understanding of beta-lactam neurotoxicity is crucial for optimizing antimicrobial therapy.
  • Knowledge of neurotoxic mechanisms can guide the development of safer antibiotic agents.
  • Improved insights facilitate the efficient and safer clinical application of antimicrobial compounds.

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