I've had concussion very recently. If you had any white fluid coming from your nose or ears, get medical attention IMMEDIATELY.
If you feel sick, are hearing things louder than usual, have a constant headache, have a sore, sensitive patch on your head, are a bit grumpy, and are tired/have low concentration levels, you probably have concussion.
Quote me if you have any other questions.
I hope you feel better - concussion is AWFUL.
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