Early Signs of Pneumonia

When your air sacs get filled with fluid or pus, your lungs become infected. Pneumonia can get serious and it’s important to detect symptoms immediately.

a. Cough that produces yellow, greenish, or bloody mucus

b. Fever along with sweating and chills

c. Stabbing chest pains that gets worse during deep breathes or coughing

Source:
https://www.lung.org/lung-health-and-diseases/lung-disease-lookup/pneumonia/symptoms-and-diagnosis.html