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By Maureen Williams, ND

 

According to a new review published in the Journal of the American Medical Association, probiotic supplements containing strains of gut-friendly bacteria can help to prevent and treat an especially common side effect of antibiotic use: diarrhoea.

 

Minimising the damage

 

Antibiotics can help you clear an infection, but they sometimes wreak havoc by killing beneficial intestinal bacteria in the process. Probiotic supplements aim to minimise the damage by providing friendly bacteria or yeasts to replace what is lost during antibiotic treatment and to prevent colonization by harmful microbes.

The new review and meta-analysis included data from 82 studies in which people receiving courses of antibiotics for a wide range of infections were also treated with probiotics. Most of the studies used lactobacillus species, alone or in combination with other bacteria, but a few used a beneficial yeast called Saccharomyces boulardii. 

Probiotics make antibiotics more tolerable

 

When the researchers analysed the combined data, they found the following:

People taking a probiotic supplement were 42% less likely to develop antibiotic-associated diarrhoea compared to people using no supplement or placebo.
The various strains of bacteria and yeasts used in the probiotics were all similarly effective.

Probiotics were equally helpful in children and adults.
People benefited similarly from probiotics regardless of the nature of the original infection for which antibiotics were given.

“Our review found sufficient evidence to conclude that adjunct probiotic administration is associated with a reduced risk of antibiotic-associated diarrhoea,” the study’s authors said.

 

 

Probiotics for good health

 

In addition to preventing antibiotic-associated diarrhoea, probiotics can be helpful for a range of other conditions. Here are some other reasons to take probiotic supplements:

Yeast infections. Probiotics are useful for preventing and treating yeast infections such as yeast vaginitis, thrush, and intestinal candidiasis.
Irritable bowel syndrome (IBS). Probiotic supplements can reduce IBS symptoms like bloating, abdominal discomfort, and bowel irregularity.
Inflammatory bowel disease. Both Crohn’s disease and ulcerative colitis cause changes in the intestinal wall that make it hard for healthy bacteria to thrive. Many people with these conditions benefit from supplementing with probiotics.
Colds and flu. Supplementing with probiotics strengthens immune function and prevents all kinds of infections, even colds and flu. 

(JAMA 2012;307:1959–69)

Maureen Williams, ND, completed her doctorate in naturopathic medicine at Bastyr University in Seattle and has been in private practice since 1995. With an abiding commitment to access to care, she has worked in free clinics in the US and Canada, and in rural clinics in Guatemala and Honduras where she has studied traditional herbal medicine. She currently lives and practices in Victoria, BC, and lectures and writes extensively for both professional and community audiences on topics including family nutrition, menopause, anxiety and depression, heart disease, cancer, and easing stress. Dr. Williams is a regular contributor to Healthnotes Newswire.

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