How does a viral fever get cured with antibiotics?

You know that antibiotics are used to cure bacterial infections
When you take your child to the doctor he says your child has a viral fever and you should just wait and watch.
Then when the fever does not get better after three days and you go back to him - he starts your child on antibiotics and he promptly becomes alright.
And this happens all the time.

Does this then make you wonder how a viral infection can become a bacterial infection?
Does this make you wonder if your doctor is making a wrong diagnosis every time?
Then this is the video you should watch

In this video - Parenting Expert Dr Debmita Dutta tells you how viral infections turn into bacterial infections and why it is important to consult a doctor and follow his advice.
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