Q. A 30-year-old male presents to the office with complaints of a cough that started 10 days ago. He is experiencing congestion, a sore throat, and malaise. The patient describes the cough as initially dry in nature and later becoming productive with yellow sputum. Two days ago, the patient noticed blood-stained sputum. All other symptoms have diminished. The patient does not use tobacco or alcohol. There is no history of recent travel. He is up to date on his vaccinations. On examination, temperature is 98.6°F, blood pressure 130/85 mm Hg, heart rate 84/min, respiratory rate 18/min, SaO2 is 98% on room air, and BMI is 29 kg/m². Oropharyngeal examination is unremarkable. Bilateral wheezes and crackles that clear when the patient coughs are heard on chest examination. Chest x-ray is unremarkable. What is the next best step in managing this patient?