Side effects of Saccharomyces boulardii
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Saccharomyces boulardii Side Effects: Safety and Tolerability
General Safety Profile of Saccharomyces boulardii
Saccharomyces boulardii is generally considered safe for use in both adults and children. Studies in humans and animals have shown that it does not cause significant short-term side effects, and it is well-tolerated when used as a supplement alongside standard therapies for gastrointestinal conditions .
Reduction in Gastrointestinal Side Effects
When Saccharomyces boulardii is added to standard therapies, especially for Helicobacter pylori eradication, it has been shown to significantly reduce the incidence and severity of gastrointestinal side effects. These include:
- Diarrhea: The addition of S. boulardii reduces both the frequency and duration of diarrhea compared to standard therapy alone 12.
- Nausea and Vomiting: S. boulardii supplementation is associated with a lower incidence of nausea and vomiting .
- Other Gastrointestinal Symptoms: There are also reductions in constipation, abdominal pain, abdominal distention, epigastric discomfort, poor appetite, and stomatitis when S. boulardii is used .
Comparison to Placebo and Standard Therapy
In randomized controlled trials, patients receiving S. boulardii experienced fewer total adverse events compared to those receiving placebo or standard therapy alone. For example, in children, the rate of total adverse events was significantly lower in the S. boulardii group (9.2%) compared to the standard therapy group (29.2%) . Similar findings were observed in adults, with a notable reduction in overall side effects and severe diarrhea .
Animal Studies and Short-Term Use
Studies in dogs have also shown that S. boulardii is safe, with no short-term side effects observed during supplementation . This supports its general safety profile across different species.
Serious Adverse Events
Across the studies reviewed, there were no reports of serious adverse events directly attributed to S. boulardii in the populations studied 123. However, as with any probiotic or supplement, rare cases of infection have been reported in severely immunocompromised individuals, but these are not highlighted in the studies provided.
Conclusion
Saccharomyces boulardii is a well-tolerated probiotic with a low risk of side effects. Its use is associated with a significant reduction in gastrointestinal adverse events, particularly diarrhea, nausea, and vomiting, when used alongside standard therapies for gastrointestinal conditions. Serious side effects are rare, and the supplement is considered safe for both adults and children in the studies reviewed 123.
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