C. diff is shed in stool, so if you have symptoms of an infection, stool sample tests will show which strain of the bacteria is present and if there are any toxins.

Some people may have C. diff bacteria present in their intestines and have no symptoms. For example, an estimated 20% of hospitalized people have asymptomatic C. diff infections.

The antibiotics had wiped out the good bacteria; I stopped taking them and was treated for C. diff. During my family's annual vacation last year, I got COVID-19.

C. diff bacteria can produce toxins that damage the gut and lead to various symptoms, including diarrhea and stomach pain.Doctors call this a CDI, and it tends to happen when someone has been ...

Fever, nausea, cramping, and diarrhea — if you have ulcerative colitis (UC), you probably know that those symptoms signal a flare. The same symptoms can also be a Clostridioides difficile (C ...

C. diff is a life-threatening bacterial infection that causes diarrhea and colitis, which is the inflammation of the colon. Approximately 600,000 are diagnosed with C. diff each year in the United ...

But CRS3123 stood out by stopping C. diff’s notorious comebacks: After 40 days, just 4% of patients who received Crestone’s drug had their infections return, compared to 23% in the vancomycin ...

More information: Çağatay Işıl et al, Virtual Gram staining of label-free bacteria using dark-field microscopy and deep learning, Science Advances (2025). DOI: 10.1126/sciadv.ads2757.

Not everyone is aware that they’re carrying C. diff, which means they can unknowingly spread the bacterium to others. In healthy people, the “good” bacteria normally present in the gut (the ...