All A to Z Topics


Flu is a highly infectious and very common viral illness that is spread by coughs and sneezes.
Symptoms of flu
The symptoms of seasonal flu include fever, cough, headache, aching muscles and tiredness.
Causes of flu
The flu virus is contained in the millions of tiny droplets that come out of the nose and mouth when someone coughs or sneezes.
Diagnosing flu
If you are otherwise fit and healthy, you don't need to see your GP when you have flu.
Treating flu
If you have flu, it will usually be possible for you to treat yourself effectively at home.
Complications of flu
The most common complication of seasonal flu is a bacterial chest infection. Occasionally, this can become serious and develop into pneumonia.
Preventing flu
There are three main ways of preventing flu: good hygiene, vaccination and antiviral medicines.
See what the doctor sees with Map of Medicine
See what your doctor sees, find out what is happening with your Seasonal Flu treatment and what the next steps might be.