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Increased water intake prevents urinary tract infections

Urinary tract infection (UTI) is one of the most common infectious diseases in women. Over 50% of women experience at least¹ UTI in their lifetime¹. Many strategies have been proposed to prevent UTI, but for most of them evidence-based clinical data are either sparse or conflicting². Until recently, no scientific evidence on the causal effect of water on UTI prevention was available, even though water is often recommended by clinicians to women experiencing recurrent episodes.

The first randomized controlled trial assessing the effect of increased water intake for the prevention of recurrent acute uncomplicated cystitis was published on October 1st 2018. The study by Dr. T. M. Hooton and colleagues demonstrates that increasing daily consumption of water by 1.2L decreases the recurrence of cystitis by 48% in low-volume drinker women³.

According to the data of the Liq.In7 database, 50% of women worldwide do not meet the EFSA daily adequate intake recommendation for water⁴. Thus, the proportion of women who might benefit from a reduction in the number of UTI by increasing water intake is consequential, even though the number of low volume drinkers affected by recurrent UTI is unknown.

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Learn more about the causes of urinary tract infections, the symptoms, the risk factors and the results of this study by watching this video:

References