What is the very first sign of the flu?

The first few days of flu (Influenza) While flu shares many of the symptoms of the common cold, the early signs of flu are often a sudden fever, aches or pains, weakness or a loss of appetite. In particular, having a cough and a fever together can be a good indication that you have flu.

Also, does the flu come on fast?

Flu: Comes on Fast and Furious Symptoms like sore throat, fever, headache, muscle aches, congestion, and cough tend to come on suddenly. The flu gets better over 2 to 5 days, but you might feel run-down for a week or longer.

Secondly, how sudden do flu symptoms start?

The day you notice flu symptoms probably starts as usual – you get the kids off to school, head to work, and put your lunch in the fridge. Then your body starts to ache, and you notice a tickle in your throat. Chills might come next.

Is Flu A or B worse?

While influenza B viruses are typically less common than influenza A viruses, influenza B infections can be more severe in children, and can lead to complications that require hospitalization or death.

Whats the difference between Flu A and Flu B?

While the symptoms of influenza B mirrors those of influenza A, the main difference between the two strains is who it can affect. This allows strains of A to be spread more rapidly than B, while also meaning strains of B cannot cause pandemics with symptoms likely less severe.