Onset of symptoms is often gradual, but in necrotizing staphylococcal or gram-negative bacillary pneumonias patients can be acutely ill. Cough, fever with shivering, and night sweats are often present. Cough can be productive of foul smelling purulent mucus (≈70%) or less frequently with blood in one third of cases). Affected individuals may also complain of chest pain, shortness of breath, lethargy and other features of chronic illness. Those with a<unk>  are generally cachectic at presentation. Finger clubbing is present in one third of patients. Dental decay is common especially in alcoholics and children. On examination of the chest there will be features of consolidation such as localized dullness on percussion and bronchial breath sounds. Complications Although rare in modern times, can include spread of infection to other<unk>  segments, bronchiectasis, empyema, and bacteremia with metastatic infection such as brain<unk> .
Lung abscess
Pleural empyema
Lobar pneumonia
Pleurisy
Mediastinitis
Malignant pleural effusion
Hydrothorax
Bronchitis kettle