Pneumonia is a condition that causes inflammation in the air sacs of one or both lungs. The air sacs may fill with pus or fluid, causing you to have periodic coughs accompanied with other problems such as fever, chills and difficulty breathing. The severity of this condition can range from serious to mild. It often comes with severe and debilitating symptoms in infants and young children. People who are older than 65 years also experience such symptoms.The signs and symptoms of this condition vary, depending on the severity of the infection. The symptoms also depend on age and the type of germ that has caused the infection. The most common signs and symptoms include cough that produces phlegm, fatigue, shortness of breath, chest pain when you cough or breathe, changes in mental awareness and extremely low body temperatures.
