Antibiotics intended to treat infections elsewhere in the body can inadvertently kill off the "good" bacteria in the gut, making room for harmful bacteria, such as C. diff, to flourish. These toxins ...

A rare "flesh-eating bacteria" that lives in warm saltwater has led to at least four deaths this year, but some simple safety precautions can keep you safe while on vacation. The bacteria, Vibrio ...

Bacterial vaginosis is a common cause of unusual vaginal discharge in women. Experts explain its symptoms, risks, and why ...

Cape Cod health officials say a person who swam at Old Silver Beach in Falmouth has contracted a rare but potentially life-threatening infection from bacteria that can cause a "flesh-eating" illness.

Add Yahoo as a preferred source to see more of our stories on Google. _E. coli_ is mostly harmless and sometimes beneficial – but some strains can cause serious infection. Photo by Eric Erbe, ...

Here's what to know about the treatment-resistant strain of Shigella that the CDC is warning the public about.

Highlighting the oral-gut microbiome in cancer development, research from China suggests a strong association between mouth ...

Viral and bacterial pink eye, both highly contagious, cause similar symptoms like redness, swelling, and discharge, but they differ in their causes and duration. Viral pink eye is often linked to ...

In a new case report, doctors detail how a 74-year-old man lost most of his right leg to a Vibrio vulnificus infection.