Abscess: Lung abscess:
The commonest causes of lung abscess is pneumonia and aspiration. Both anaerobic and aerobic organisms can cause lung abscesses. The most common symptoms of pulmonary abscess are cough, fever, tachypnea, dyspnea, chest pain, vomiting, sputum production, weight loss, and hemoptysis. It is treated with 2–3 wk course of parenteral antibiotics for uncomplicated cases, followed by a course of oral antibiotics to complete a total of 4–6 wk. Antibiotic should include aerobic and anaerobic coverage