While small quantities of yeast (reported as rare) may be normal, yeast observed in higher amounts (moderate to many) is considered abnormal. Yeast does not appear to be dispersed uniformly throughout the stool. Yeast may therefore be observed microscopically, but not grow out on culture even when collected from the same bowel movement. Further, some yeast may not survive transit through the intestines rendering it unviable for culturing. Therefore, both microscopic examination and culture are helpful in determining if abnormally high levels of yeast are present. If significant yeast are reported by microscopy, but not by culture, consider the presentation of patient symptoms.
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Actinobacteria, Actinomycetales, Akkermansia muciniphila, Alistipes onderdonkii, Alistipes spp., Bacilli Class, Bacillus licheniformis, Bacteroides fragilis, Bacteroides pectinophilus, Bacteroides spp., Bacteroides spp. & Prevotella spp., Bacteroides stercoris, Bacteroides zoogleoformans, Bifidobacterium spp., Carbohydrates, Catenibacterium mitsuokai, Citrobacter farmeri / amalonaticus, Citrobacter freundii complex, Clostridium methylpentosum, Enterobacter cloacae complex, Eubacterium hallii, Faecalibacterium prausnitzii, Firmicutes, Klebsiella pneumoniae, Klebsiella pneumoniae/variicola, Lactococcus garvieae, Parabacteroides johnsonii, Parabacteroides spp., Phascolarctobacterium spp., RBC, Rothia mucilaginosa, Ruminococcus gnavus, Streptococcus parasanguinis, Streptococcus salivarius, Streptococcus salivarius ssp., Yeast