Researchers have found a way to deploy a molecular "warhead" that can annihilate the bacterium that causes Lyme disease.

An antibiotic that has shown effectiveness for bacterial pneumonia also appears successful in fighting methicillin-resistant staph infections.

Using a nasal swab to test kids with suspected sinusitis could slash the use of unneeded antibiotics, a new study shows.

The combo antibiotic sulbactam-durlobactam fights dangerous pneumonia at least as well as the best currently approved treatment, a trial shows.

Triple-negative breast cancer patients who take antibiotics within three years of diagnosis have a higher death risk, researchers report.

Several commonly prescribed antidepressants can increase resistance to antibiotic medications, a new study shows.

Small amounts of silver nanoparticles combined with a common antibiotic block the growth of resistant bacteria, new research shows.

A new blood test is 90% accurate in figuring out if an infection is bacterial or viral. It could help cut antibiotic overuse globally.

Research shows that COVID disrupts a healthy balance between good and bad microbes in the gut, especially with antibiotic treatment.

Borrelia burgdorferi, the bacteria that causes Lyme disease, uses tenacious trial-and-error movements to worm their way in and infect us.