Regular drinking of cranberry-lingonberry juice concentrate reduced recurrent urinary tract infections in women
QUESTION: Does regular drinking of cranberry-lingonberry juice concentrate or Lactobacillus GG drink reduce recurrence of urinary tract infections (UTIs) in women?
Design
Randomised {allocation concealed}*, blinded (outcome assessor), controlled trial with 12 months of follow up.
Setting
Student health service at the University of Oulu and occupational health centre for the staff of Oulu University Hospital, Finland.
Patients
150 women (mean age 30 y) who had a UTI caused by Escherichia coli (≥105 colony forming units [cfu]/ml in clean voided midstream urine) and were not taking any antimicrobial prophylaxis. Follow up at 12 months was 91%.
Intervention
50 women were allocated to receive 50 ml of cranberry-lingonberry juice concentrate (7.5 g cranberry concentrate and 1.7 g lingonberry concentrate in 50 ml of water with no added sugars) once a day for 6 months, and were advised to prepare a drinkable juice by …
