Flu symptoms tend to begin quite suddenly. The most common flu symptoms are:
Other flu symptoms include:
Usually, flu symptoms last for 7 to 10 days.
Flu symptoms are different from cold symptoms. The flu is more likely to cause fever, headaches, body or muscle aches, or extreme tiredness. Not sure if your symptoms are due to a cold or the flu? Use our "Is it a cold or the flu?" tool to learn how to tell the difference.
Some people may develop serious health problems from the flu (these are called complications). Use our tool "Are you at risk of flu complications?" to see if you are at risk of flu complications.
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