Myth Busted: Cranberry Products can Indeed Prevent UTIs
Highlights:
- 40% of women develop a urinary tract infection (UTI) at some point in their lives
- Previously, it was thought that cranberry juice and capsules could help prevent UTIs, but there wasn't enough evidence
- A recent study shows that yes, consuming cranberry products can actually prevent UTIs
Remember the myth that drinking cranberry juice can prevent women from developing urinary tract infections? It turns out it was actually true. Recent medical evidence has shown that consuming cranberry products is an effective way to prevent a urinary tract infection (UTI) before it gets started.
A recent study has determined that cranberry juice, and its supplements, reduce the risk of repeated symptomatic UTIs in women by more than a quarter, in children by more than half, and in people susceptible to UTI following medical interventions by about 53%. The study was published in Cochrane Reviews.
‘Cranberry products have now been proven to prevent urinary tract infections in women’
Cranberry juice and healthcare supplements that usually involve the fruit, such as capsules and tablets, have long been advertised as an easily available remedy to fight off the infection, but a 2012 assessment found no benefit from the items, based on evidence from 24 trials.
The researchers behind this updated review from Flinders University and The Children's Hospital at Westmead aimed to update these findings, as an important step in determining the effectiveness of cranberry products by looking at 50 more recent trials that included almost 9000 participants.
It's Confirmed that Cranberry Products can Help Fight off UTIs
"This incredible result didn't really surprise us, as we're taught that when there's more and better evidence, the truth will ultimately come out. UTIs are horrible and very common; about a third of women will experience one, as will many elderly people and also people with bladder issues from spinal cord injury or other conditions," says the study lead author Dr. Gabrielle Williams."Even back in 1973, my mum was told to try cranberry juice to prevent her horrible and frequent UTIs, and for her it's been a savior. Despite me niggling in her ear about evidence, she's continued to take it daily, first as the nasty sour juice and in recent years, the easy to swallow capsules. As soon as she stops, the symptoms are back. As usual, it turns out that mum was right! Cranberry products can help some women prevent UTIs."
Prevention is Key as UTIs Keep Coming Back
"If the UTI persists untreated it can move to the kidneys and cause pain and more complications, including sepsis in very severe cases, so prevention is the most effective way to reduce risks," says Flinders University epidemiologist Dr. Jacqueline Stephens, a co-author of the study."Most UTIs are effectively, and pretty quickly, treated with antibiotics, sometimes as little as one dose can cure the problem. Unfortunately, in some people UTIs keep coming back. Without knowing if or how it works, some healthcare providers began suggesting it to their patients. It was a harmless, easy option at the time. Even centuries ago, Native Americans reportedly ate cranberries for bladder problems, leading somewhat more recently, to laboratory scientists exploring what it was in cranberries that helped and how it might work."
"The studies we looked at included a range of methods to determine the benefits of cranberry products. The vast majority compared cranberry products with a placebo or no treatment for UTI and determined drinking cranberries as a juice or taking capsules reduced the number of UTIs in women with recurrent cases, in children and in people susceptible to UTIs following medical interventions such as bladder radiotherapy."
"It's also important to consider that few people reported any side effects with the most common being tummy pain based on the results. We also did not find enough information to determine if cranberry products are more or less effective compared with antibiotics or probiotics in preventing further UTIs."
The data also doesn't show any benefit for elderly people, pregnant women or in people with bladder emptying problems.
Senior Author, Professor Jonathan Craig, Vice President and Executive Dean of the College of Medicine & Public Health at Flinders University, says that the real benefits of cranberry products became clear when the researchers expanded the scope of the review to include the most recently available clinical data.
"This is a review of the totality of the evidence and as new evidence emerges, new findings might occur. In this case, the new evidence shows a very positive finding that cranberry juice can prevent UTI in susceptible people," says Professor Craig.
"We have shown the efficacy of cranberry products for the treatment of UTIs using all the evidence published on this topic since the mid-nineties. The earlier versions of this review didn't have enough evidence to determine efficacy and subsequent clinical trials showed varied results, but in this updated review the volume of data has shown this new finding."
The study authors conclude that while cranberry products do help prevent UTIs in women with frequent recurrence, more studies are needed to further clarify who with UTI would benefit most from cranberry products.
Reference:
- Cranberries and lower urinary tract infection prevention - (https:www.ncbi.nlm.nih.gov/pmc/articles/PMC3370320/)
Source: Medindia
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Dr. Hena Mariam. (2023, April 25). Myth Busted: Cranberry Products can Indeed Prevent UTIs. Medindia. Retrieved on Nov 27, 2024 from https://www.medindia.net/news/lifestyleandwellness/myth-busted-cranberry-products-can-indeed-prevent-utis-211512-1.htm.
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Dr. Hena Mariam. "Myth Busted: Cranberry Products can Indeed Prevent UTIs". Medindia. Nov 27, 2024. <https://www.medindia.net/news/lifestyleandwellness/myth-busted-cranberry-products-can-indeed-prevent-utis-211512-1.htm>.
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