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Cranberry juice for urinary tract infection in children
1BC Children's Hospital, Department of Pediatrics, Room K4-226, Ambulatory Care Bldg, 4480 Oak St, Vancouver, BC. rgoldman@cw.bc.ca
Insights
Cranberry juice may prevent urinary tract infections (UTIs) in adults by inhibiting bacterial adhesion. However, evidence for its effectiveness in children is currently lacking, and optimal dosage remains undetermined.
Area of Science:
- Pediatrics
- Infectious Diseases
- Nutrition
Background:
- Urinary tract infections (UTIs) are common in children.
- Mothers often seek natural remedies like cranberry juice for UTI prevention.
- Cranberry juice is a popular home remedy for UTIs.
Purpose of the Study:
- To evaluate the efficacy of cranberry juice in preventing recurrent UTIs in children.
- To determine if existing evidence for adult UTI prevention with cranberry juice applies to pediatric populations.
Main Methods:
- Review of current scientific literature on cranberry juice and UTI prevention.
- Analysis of studies investigating the mechanism of cranberry juice in inhibiting bacterial adhesion (e.g., Escherichia coli).
Main Results:
- Cranberry juice is effective in preventing bacterial adhesion to the bladder epithelium in vitro.
- Evidence supports cranberry juice use for UTI prevention in adult women.
- No conclusive evidence currently exists for cranberry juice efficacy in preventing pediatric UTIs.
Conclusions:
- While safe for most children, cranberry juice's acidity may affect palatability.
- The optimal dosage of cranberry juice for UTI prevention in children requires further research.
- More studies are needed to establish cranberry juice as a recommended preventative measure for UTIs in pediatric patients.
Question:
Several children in my clinic are recovering from urinary tract infections (UTI). A mother of one of the children asked me if I recommended cranberry juice for children to prevent future episodes of UTI. She was given cranberry juice after she suffered from a UTI several months ago.
Answer:
Cranberry juice has been shown to be effective in preventing adhesion of bacteria such as Escherichia coli to the bladder epithelium. Current evidence supports the use of cranberry juice for prevention of UTI in adult women, but no such evidence exists at this time for the prevention of UTI in children. While cranberry juice is very safe for most children, its acidity reduces palatability among children. The dose of cranberry juice to prevent UTI in children has also yet to be determined.
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