Saccharomyces boulardii

Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

saccharomyces boulardii

(sak-a-roe-mye-seez boo-lar-dee) ,

Brewer's yeast

(trade name),


(trade name)


Therapeutic: antidiarrheals
Treatment and prevention of diarrhea Irritable bowel syndrome.


Saccharomyces boulardii is a non-pathogenic yeast used to colonize the gastrointestinal tract.

Therapeutic effects

Reduced number of bowel movements.


Absorption: Unknown
Distribution: Unknown
Metabolism and Excretion: Unknown
Half-life: Unknown

Time/action profile

POunknown3 daysunknown


Contraindicated in: Hypersensitivity to yeast.
Use Cautiously in: Pregnancy and lactation;Immunocompromised patients (↑ risk of fungemia)

Adverse Reactions/Side Effects


  • bloating
  • constipation
  • flatulence


  • fungemia
  • ↑ thirst


Antifungals may decrease effectiveness of Saccharomyces boulardii None.
Oral (Adults) 250–500 mg two to four times a day


Capsules: 250 mg

Nursing implications

Nursing assessment

  • Assess patient for abdominal distention, presence of bowel sounds, and usual pattern of bowel function.
  • Assess color, consistency, and amount of stool produced.
  • Lab Test Considerations: Monitor CBC periodically during therapy.

Potential Nursing Diagnoses

Diarrhea (Indications)


  • Oral: Administer as directed.

Patient/Family Teaching

  • Instruct patient to take as directed.
  • Advise female patient to notify health care professional if pregnancy is planned or suspected or if breastfeeding.

Evaluation/Desired Outcomes

  • Resolution of diarrhea and decrease in number of loose stools.

Saccharomyces boulardii

a yeast species widely prescribed for treatment of diarrhea. Molecular typing shows it to be nearly identical, genetically, to S. cerevisiae; however it is metabolically and physiologically different.
See also: Saccharomyces.

Saccharomyces boulardii

A species of yeast that is used as a probiotic to prevent and treat infectious and inflammatory diseases of the intestines.
See also: Saccharomyces
References in periodicals archive ?
Saccharomyces boulardii in acute childhood diarrhea: a randomized, placebo-controlled study.
The search for a better treatment for recurrent Clostridium difficile disease: use of high-dose vancomycin combined with Saccharomyces boulardii.
Immunological and trophical effects of Saccharomyces boulardii on the small intestine in healthy human volunteers.
Since that time, consumers and their physicians have come to better understand the role that probiotics play in digestive health as well as the benefits of Florastor's active ingredient, Saccharomyces boulardii lyo (or S.
The moderator of the event, Charalabos Pothoulakis, MD, officiated the Q&A, offering insightful scientific discourse, flavored with his Greek accent, from his 25 years of research of Saccharomyces boulardii.
Protecflor combines the well-known Saccharomyces boulardii probiotic yeast, which has been extensively documented for its efficacy in diarrhea prevention, with three specific probiotic bacteria strains: Lactobacillus Rosell-11, Lactobacillus Rosell-52 and Bifidobacterium Rosell-175.
WASHINGTON -- In hospitalized patients taking antibiotics, coadministration of the probiotic Saccharomyces boulardii can reduce costs and shorten hospital stay by about 3 days, and may even save lives, Allyson L.
Though Florastor is marketed as a nutritional supplement, its active ingredient, Saccharomyces boulardii lyo (or S.
I prefer the use of Saccharomyces boulardii (Sb) with my inflammatory pain protocols.
Toyoi and Saccharomyces boulardii on the immune response of sheep to vaccines.