Probiotics are often bacteria or other living organisms, like yeasts, that are usually found in foods or dietary supplements.

Clostridioides difficile (C. diff)

Clostridioides difficile, or C. diff, is a bacterium that can cause gastrointestinal symptoms, like nausea, watery diarrhea, stomach pain and stomach cramps that may be severe.

Fecal microbiota transplantation (FMT)

Fecal microbiota transplantation (FMT)

A fecal microbiota transplantation (FMT) is when stool is taken from a healthy donor, made into a liquid mixture and transferred into the colon of a sick patient, to introduce helpful bacteria.