Does taking fluoroquinolone medicine help reduce high fevers in children with Acute Lymphoblastic Leukemia?
Fluoroquinolones are antibiotics used to prevent infections. In children with acute lymphoblastic leukemia (ALL), high fevers often occur due to febrile neutropenia (fever with low white blood cells) during chemotherapy. The question is whether fluoroquinolones help reduce these fevers. Research shows that giving fluoroquinolones as a preventive measure (prophylaxis) during induction chemotherapy can lower the risk of febrile neutropenia. However, they are not a treatment for fevers that have already started; they are used to prevent them.
What the research says
A meta-analysis of 7 studies involving 991 children with ALL found that fluoroquinolone prophylaxis (mainly levofloxacin or ciprofloxacin) reduced the risk of febrile neutropenia from 64.9% to 46.1% (odds ratio 0.44) 1. It also reduced bloodstream infections by about half (odds ratio 0.50) 1. The analysis did not find a significant increase in C. difficile infections or change in overall mortality 1. These findings support using fluoroquinolones to prevent fever episodes during the most intensive part of chemotherapy. However, the sources do not provide evidence for using fluoroquinolones to treat high fevers once they occur. Other sources in this set cover different aspects of ALL care, such as pegaspargase formulations 2, MRI feasibility 3, vaccine antibody levels 4, non-pharmacological trials 5, survival outcomes 6, 6-MP mini-tablets 7, and TKI therapy 8, but none address treatment of established fevers.
What to ask your doctor
- Is fluoroquinolone prophylaxis recommended for my child during induction chemotherapy?
- What are the potential side effects of fluoroquinolones for children with ALL?
- If my child develops a high fever, what is the standard treatment protocol?
- How does fluoroquinolone prophylaxis fit with other infection prevention measures?
- Are there alternatives to fluoroquinolones for preventing febrile neutropenia?
This question is drawn from common patient questions about Hematology and answered using cited medical research. We do not provide individualized advice.