A 35-year-old man presents to his primary care physician’s office with complaints of nasal stuffiness with yellow nasal drainage, watery eyes, nonproductive cough, sore throat, and muscle aches for 7 days’ duration. He requests a course of antibiotics. History: The patient describes mild right facial discomfort for which acetaminophen has provided no relief. He has no toothache. Medical history is significant only for hypertension. The patient is married and has been working as a sales manager in a department store for the past 3 years. He and his wife each smoke two packs of cigarettes per week. He takes no medications other than the acetaminophen and atenolol for the hypertension.