White pneumonia, also known as "alveolar pneumonia" or "bacterial pneumonia", refers to a specific type of lung infection caused by bacteria. It is characterized by an inflammation of the alveoli, tiny air sacs in the lungs, which fill with a thick fluid or pus. In medical terminology, it may be referred to as "lobar pneumonia" due to the infection being localized in one or more lobes of the lungs. This condition can be serious, leading to breathing difficulties, high fever, and chest pain. Early diagnosis and prompt treatment with antibiotics are crucial for a successful recovery.