[Beta-lactam-induced neutropenia. An old forgotten companion]

Galo Peralta1, María Blanca Sánchez-Santiago

  • 1Servicio de Medicina Interna, Hospital Sierrallana, Torrelavega, Santander, Spain. gpf@mundivia.es

Insights

Beta-lactam antibiotics can cause neutropenia (low white blood cell count), especially with high doses and long treatment durations. This condition is usually temporary and less severe than neutropenia from other drugs.

Area of Science:

  • Pharmacology
  • Hematology
  • Infectious Diseases

Context:

  • Beta-lactam antibiotics are widely used, but can cause neutropenia.
  • Neutropenia is a decrease in neutrophils, a type of white blood cell.
  • This adverse effect is linked to cumulative dose and treatment duration.

Purpose:

  • To review the characteristics of beta-lactam-induced neutropenia.
  • To highlight specific agents like piperacillin-tazobactam and cefepime.
  • To inform clinical practice and drug development.

Summary:

  • Beta-lactam-induced neutropenia typically occurs after >10 days of high-dose therapy.
  • Fever and rash are common preceding signs.
  • It's generally transient (<10 days) with low risk of infection or mortality.
  • Prolonged use of piperacillin-tazobactam and cefepime shows high incidence.

Impact:

  • Clinicians should monitor for neutropenia during prolonged beta-lactam therapy.
  • This understanding is crucial for managing patients and preventing complications.
  • Future beta-lactam development must consider neutropenia risk.

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