The signs and symptoms of pneumonia include chest pain, difficulty breathing, and fatigue. Pneumonia can have overlapping symptoms with colds and flus but can be life-threatening.

Pneumonia caused by the bacteria Streptococcus pneumoniae is associated with rust-colored sputum. Pneumonia caused by Legionella bacteria may be accompanied by abdominal pain, diarrhea, and ...

Types of Pneumonia Pneumonia is defined as the inflammation of the air sacs of the lungs which can fill with fluid and lead to breathing difficulty, fever, chills, and coughing with pus or phlegm.