Viruses and bacteria are not responsible for all infections diseases. Many infectious diseases are caused by viruses and bacteria. But there are also other types of pathogens that cause illness.

Imagine going to the hospital for a bacterial ear infection and hearing your doctor say, "We're out of options." It may sound ...

Nontuberculous mycobacteria (NTM) are known as atypical mycobacteria. That means they’re related to tuberculosis, but they don’t cause the same disease. In fact, NTM are generally harmless. That’s a ...

Antibiotics that used to work against certain species of bacteria no longer do. Germs can cause infections. Germs can spread. Germs can battle back against antibiotics. And germs can share their ...

Cellulitis may have different symptoms depending on the type of bacteria involved and where on your body it affects. These factors may influence which antibiotics a doctor prescribes to treat ...