Cranberry

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How does Cranberry work?

Cranberries contain certain chemicals that prevent bacteria from growing in the urinary tract.

Are there safety concerns?

Cranberry is safe for most people, but drinking too much cranberry juice can cause some side effects such as mild stomach upset and diarrhea. Drinking more than 1 liter per day for a long period of time might increase the chance of getting kidney stones.

Some cranberry juice products are sweetened with extra sugar. If you have diabetes, stick with cranberry products that are sweetened with artificial sweeteners.

Cranberries and cranberry juice are safe to consume during pregnancy and breast-feeding. But don't use dietary supplements that contain cranberry products. It is not known if these are safe to use during pregnancy and breast-feeding.

Cranberries, like many other fruits and berries, contain significant amounts of salicylic acid. Salicylic acid is similar to aspirin. Avoid drinking large quantities of cranberry juice if you are allergic to aspirin.

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Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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