Review: Cranberry products do not reduce urinary tract infections in susceptible populations

Question Do cranberry products reduce urinary tract infections (UTIs) in susceptible populations? Review scope Included studies compared cranberry juice or cranberry products (e.g., capsules, tablets, or extract) used for ≥ 1 month, with placebo, no treatment, or other treatment in susceptible men and women with > 2 lower UTIs in the past 12 months; elderly men and women; patients with indwelling catheters, abnormalities of the urinary tract, or needing intermittent catheterization; pregnant women; or children with ≥ 1 UTI. Studies of UTI treatment or urinary tract conditions not caused by bacterial infection were excluded. Outcomes were number of UTIs and adverse effects.