Flu otherwise known as influenza is an infectious disease caused by the influenza virus. The symptoms range from mild to severe. The virus spreads through air when the affected person sneezes or coughs. There are three types of flu virus – Influenza Virus A, Influenza Virus B and Influenza Virus C. Common symptoms are:
• High fever
• Runny nose
• Sore throat
• Muscle pain
• Watery eyes
• Diarrhoea, nausea and vomiting in children
HOW IS FLU DIAGNOSED?
Diagnosis of Flu depends on the symptoms. Ear Nose throat specialist may look for the symptoms ate make a note of the temperature and other underlying factors.
HOW IS FLU TREATED?
Usually there is no specific treatment for flu other than lots of bed rest and fluids for keeping yourself hydrated. In some cases when the symptoms don’t reduce in 3 or 5 days, your doctor may prescribe antiviral medications like oseltamivir (Tamiflu) or zanamivir (Relenza).
DID YOU KNOW?
Much of the illness and death caused by conventional or seasonal influenza can be prevented by annual influenza vaccination. There are several other types of flu. These include:
• bird (avian) flu – a type of flu spread among birds that affects humans in rare cases
• swine flu – the type of flu that was responsible for the flu pandemic in 2009-10
• ""gastric flu"" (gastroenteritis)