Pneumonia is an infection of the air sacs in either one or both of your lungs that causes inflammation. Fluid or pus may fill the air sacs in your lungs and cause coughing, fever, chills, and difficulty breathing. Symptoms of Pneumonia If you begin to experience any of the following conditions, it is time to take a trip to an emergency medical facility. High Fever Chills & SweatsChest PainsShortness of BreathDehydrationRust-colored Phlegm Pneumonia takes the life of about … [Read more...] about Pneumonia Symptoms