Saccharomyces boulardii

(redirected from Saccharomyces boulardii lyo)

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.
Drug Guide, © 2015 Farlex and Partners

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.
Farlex Partner Medical Dictionary © Farlex 2012

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
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Active Bacteria Probiotic Supplement Brands Lactobacillus acidophilus AccuFlora Pro-Biotic Acidophilus, Acidophilus Pearls, BioBeads Probiotic Acidophilus Complex, Chewable Probiotic Acidophilus with Bifidus, Flora-Q Bifidobacterium infantis Align, Primadophilus Probifia Pearls Bifidobacterium longum Phillips' Colon Health Probiotic Caps, Women's Probiotic with Cranberry Lactobacillus GG Culturelle, Culturelle for Kids Saccharomyces boulardii lyo Florastor, Florastorfor Kids Source: Hamacher Resource Group.