This is a Diagnosis of Exclusion for acute cough or nasal congestion.
- No fever (or only the first 1-2 days at most)
- No prominent sneezing, or history of repeated episodes (suspect allergic rhinitis)
- No new increase in symptoms after resolution had begun, with change to purulent discharge & unilateral facial discomfort (suspect sinusitis)
- No true dyspnea, especially on exertion (suspect lung disorder)
- Normal lung exam (abnormal exam = something in the lungs)