Q. A 26-year-old man presents to the emergency department with a two-day fever, cough, and chest pain history. He reports that his symptoms started suddenly, and he has not been feeling well. The patient has no past medical history and is a non-smoker. On physical examination, the patient appears uncomfortable and is breathing rapidly. Lung examination reveals crackles and decreased breath sounds in the right lower lobe. His temperature is 101°F, his blood pressure is 130/80 mmHg, and his heart rate is 110 beats per minute. Laboratory investigation shows a white blood cell count of 18,000/?L, 80% neutrophils, c-reactive protein level of 10 mg/dL, and a chest x-ray showing a patchy infiltrate in the right lower lobe. What is the recommended management for this patient?