Related Experiment Video
Updated: Aug 15, 2026

Neutrophil Lifespan Extension with CLON-G and an In Vitro Spontaneous Death Assay
Published on: May 12, 2023
[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
Abstract:
Beta-lactam-induced neutropenia has been a well-recognized problem since the initiation of penicillin use. It generally develops following high-dose beta-lactam treatment lasting longer than 10 days, and its frequency rises with increases in the cumulative antibiotic dose. Beta-lactam-induced neutropenia is frequently preceded by fever or rash, which can be considered alarm signs. Unlike neutropenia induced by other nonchemotherapy drugs, beta-lactam-induced neutropenia usually lasts less than 10 days and infrequently causes infectious complications or death. Although any beta-lactam agent can cause neutropenia, recent studies have focused on cases of piperacillin-tazobactam- or cefepime-induced neutropenia; a high incidence of neutropenia has been demonstrated during prolonged treatment with these antibiotics. The apparent contradiction with the results of clinical trials that did not detect this complication is due to the fact that they involved treatments shorter than two weeks. The potential for the development of neutropenia during lengthy intravenous treatment should be borne in mind in the development of new beta-lactams.
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.
Related Concept Videos
Acute Pyelonephritis II: Diagnostic Studies and Management
Combined Effects of Drugs: Synergism
Such synergistic combinations...
Inhibitors of Bacterial Protein Synthesis
Clinical Significance of Antibiotic Resistance
Defense Against Bacterial Pathogens
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Inhibitors of Gram-positive Cell Wall Synthesis