Pure cranberry juice, cranberry extract, or cranberry supplements may help prevent repeated UTIs in women, but the benefit is small. It helps about as much as taking antibiotics to prevent another UTI.1 Using cranberry products to prevent UTIs may be expensive, and some women complain of the taste. No single concentration of cranberry juice, extract, or supplement has been studied, so it's hard to know which product to choose.
By Janice Graham
As you hit one of those big birthdays, you probably worry more about new
wrinkles than about less visible body parts — like your heart. But recent
research has found that each decade of your life is a crossroads, with new
health concerns to worry about. What's more, you need to be aware of these
issues — because your doctor may not be. "Many physicians fail to recognize how
much a woman's risk factors for heart disease evolve over her lifetime," says
If you do want to try cranberry juice to prevent UTIs, it's better to drink pure, unsweetened cranberry juice (rather than cranberry juice cocktail). Drinking cranberry juice cocktail doesn't seem to prevent UTIs better than drinking any other fruit juice.2
There is no proof that cranberry can cure a UTI. Cranberry
is not well tested as a UTI treatment.
may affect how warfarin works, which can be dangerous. If you are taking the
anticoagulant medicine warfarin (such as Coumadin), talk to your doctor before
using cranberry to prevent a UTI.
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
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WebMD Medical Reference from Healthwise
May 13, 2013
This information is not intended to replace the advice of a doctor.
Healthwise disclaims any liability for the decisions you make based on this