Diagnosis of exclusion, or by nasopharyngeal swab for antigen detection (some tests only detect Influenza A).
Clinical Presentation:- Abrupt onset fever & generalized myalgias. Headache.
- Cough, not very productive.
- Worst on Days #1-2, begins to abate Day #3-4, resolved by Day #5.
- No true dyspnea. No signs of respiratory distress.
- Normal Lung Exam
- No CXR needed. Obtain swab for antigen if available with same-day results.
- Get CXR if fever persists 3 days
- Compromised Host
- Focal rales
- True Dyspnea. Signs of respiratory distress.
- Symptoms getting worse on Day #3, or not diminishing by Day #4.
See our postings Acute Cough – 2 and Fever.