Flu: Overview

Flu, also called influenza, is a viral infection of the upper airways. It is usually more severe than the common cold, although it may appear like the common cold in the early stages. Typical symptoms include some or all of these symptoms: high fever, cough, sneezing, muscle aches, runny/blocked nose, headache, sore throat, general weakness, and other symptoms. Flu is more common in adults than in children. Flu can be dangerous, especially to young children and older patients. Complications include: middle ear infection, bronchitis, and pneumonia. Fatality is possible. See your doctor immediately if flu is suspected.

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.