This cold and flu season, you may be looking for clues you're getting better anywhere you can find them, even in the color of ...

This results in increased mucus secretion and may cause breathlessness as well.” In contrast, pneumonia is a lung infection where the air sacs (alveoli) become inflamed and fill with fluid or pus.

The main symptoms of norovirus include signs of gastroenteritis, Martinello says. A mild norovirus infection might just cause ...

Yellow or green discharge (pus) in the eye The eyelids are stuck (matted) together with pus after sleep After being wiped away, the pus comes back during the day Often caused by a bacterial eye ...

A narrowing of the smallest airways in the lung (bronchioles) causes wheezing. This narrowing results from swelling caused by a virus. The respiratory syncytial virus (RSV) causes most bronchiolitis.