Influenza physical examination

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Alejandro Lemor, M.D. [2]

Physical Examination

The physical examination in a patient with influenza depends on several factors, such as age, comorbidities and immune response. Physical findings could vary among patient, from a mild disease with few signs and symptoms, to severely ill patients with respiratory insufficiency.

Appearance

• Fatigue

Vitals

• Fever (100-104° F)
• Tachycardia
• Tachypnea

Skin

• Flushing may be present
• Rash may be present
• Increased sweating

Eyes

• Watery eyes
• Redness

Nose

• Nasal congestion
• Runny nose

Throat

• Erythema and inflammation may be present
• Pharyngitis

Lungs

• Usually lung examination is normal
• Findings of severe disease include

• Dry cough
• Rales
• Focal wheezing