Pneumonia refers to a lung infection that also causes inflammation. This results in difficulty in breathing. This condition is accompanied by various symptoms which are dependent on a number of factors.
What is pneumonia?
Pneumonia is an infection in one or both lung. It can be caused by fungi, bacteria, or viruses. Pneumonia causes inflammation in your lung’s air sacs, or alveoli. The alveoli fill with fluid or pus, making it difficult to breathe.