A 55-year-old male presents to his primary care physician’s office with cough, mild dyspnea, and fever to 101 degrees. Symptoms have been present for the past 3 days, and when over-the-counter cold medications were having no effect, he decided to seek medical attention. On initial examination, blood pressure was 120/73, pulse was 96 and regular, and respirations were 20. He was febrile with a temperature of 100.9 degrees. Lung examination revealed the presence of right lower lung crackles with decreased breath sounds in this area as well. Laboratory studies revealed WBC of 15.6 with a left shift, sodium of 140, potassium of 4.5, BUN of 22 and creatinine of 1.0. Chest x-ray revealed a right lower lobe infiltrate. Based upon the above presentation, what is the most appropriate course of action?