A toothache that lingers is easy to dismiss, but sometimes, it signals something far more serious. Some dental infections may start as a slight discomfort and rapidly get worse without treatment, ...

Researchers from the University of Cologne, the German Center for Infection Research (DZIF), and the Broad Institute of Harvard and MIT present a clinical case in the New England Journal of Medicine ...

Add Yahoo as a preferred source to see more of our stories on Google. However, around 20% to 30% of patients with nocardiosis have no known pre-existing conditions, so the infection doesn't ...

Symptoms of a kidney infection include a dull, aching pain in your back, side, or stomach, urgent and painful urination, fever, and chills. See a doctor if you’re experiencing any of these symptoms.

A single bout of food poisoning can trigger a condition called post-infection IBS—and scientists are looking for answers in ...

It seems like a scene out of "The Last of Us" — a fungus never before seen in humans has just been discovered growing in a person for the first time. A plant researcher in India saw a doctor for a ...

A sinus infection can spread to the brain, although this is rare. People require immediate medical treatment if a sinus infection reaches the brain. Sinusitis is an inflammation of the sinuses and ...