Does cranberry juice help prevent pediatric urinary tract infection (UTI)?

Updated: Mar 19, 2019
  • Author: Donna J Fisher, MD; Chief Editor: Russell W Steele, MD  more...
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A study by Ferrara et al investigating the effect of daily cranberry juice (50 mL) in girls aged 3-14 years with recurrent UTIs found that consumption of concentrated cranberry juice on a daily basis appeared to prevent symptomatic UTI recurrence in children. [58] In this study, the use of a drink containing Lactobacillus strain GG did not prevent UTI.

A systematic review of studies of cranberry products used for the prevention of UTIs showed a small, possible benefit for women with recurrent UTI, but the evidence was not statistically significant. Also, in contrast to the Ferrara study, the review did not find that cranberry products significantly reduced UTI recurrence in children. [59]

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