Flu (Influenza)
Flu can be very serious. It is caused by a virus, which is spread by coughs and sneezes. Symptoms of flu can be mild but can also lead to more serious illnesses such as bronchitis and pneumonia (lung infections), which may need treatment in hospital.
Flu is very infectious, and symptoms can come on very quickly. Symptoms of flu include a high temperature, tiredness and weakness, headache, aches and pains and a cough.
There are outbreaks of flu most winters, especially in hospitals and care homes. In a normal winter, thousands of people will die from flu-related illnesses in the UK. Having a flu vaccine every year is one of the best ways to protect against flu.
When people get flu, they tend to become ill quite quickly. Symptoms can include fever, chills, a headache and aching muscles, often with a cough and sore throat.
How will I know if I have flu?
Around half of people infected with flu don’t even realise it, yet they can still spread the virus to others. This can sometimes cause serious illness leading to hospital care, and in rare cases, death.
Some COVID-19 symptoms are similar to flu so please check the latest advice and follow the current COVID-19 guidance.
What should I do if I think I have flu?
If you have a temperature or a cough, follow the current guidance for people with symptoms of a respiratory infection, including COVID-19.
Flu is usually managed by resting at home, keeping warm and drinking plenty of water. You can take paracetamol (follow the advice in the packet and do not take more than the recommended dose), to lower a high temperature and relieve aches if needed.
However, if you are in a high-risk group you should speak to your GP surgery or local pharmacy straight away if you think you might have flu, as they may recommend a course of antiviral medicines.
To help stop flu and other viruses spreading, remember to:
Learn more
If you would like to learn more about the vaccine, or the diseases they protect against, a number of information resources are available to help.
If you have any further questions or want more information, you can visit the NHS 111 Wales website , talk to your doctor or nurse or call NHS 111 Wales.