A Trial of Cranberry Capsules for Urinary Tract Infection Prevention in Nursing Home Residents

Inclusion Criteria:

1. female residents;

2. long term residents

3. English speaking; and

4. age ≥ 65 years.

Exclusion Criteria:

1. residents that are not expected to be in the nursing home for at least one month
(i.e., short term rehabilitation, pending discharge, terminal [life expectancy < 1
month]);

2. residents who are on chronic suppressive antibiotic or anti-infective (i.e.,
mandelamine) therapy for recurrent UTI;

3. residents with end stage renal disease on dialysis (they do not regularly produce
urine);

4. residents unable to produce a baseline clean catch urine specimen for collection;

5. residents on warfarin therapy because of a potential interaction of warfarin and
cranberry juice;

6. residents with a history of nephrolithiasis because cranberry may increase the risk of
nephrolithiasis;

7. have an indwelling bladder catheter in place;

8. have an allergy to cranberry products;

9. are being treated with cranberry products;

10. residence <4 weeks.