Look and see if your pupils (under equal light) are the same size or not. If they are NOT, seek medical help asap.
That is one symptom of a concussion, but I wouldn't worry if that were the only symptom.
maybe. be careful next time. save the stunts for the cheerleaders on the sidelines. they are only doing mental cheers.
glad you weren't hurt badly.
I do that all the time. If you start feeling sick to your stomach then thats a bad sign.
It's mainly a sign that you just hit your damn head.
yes it is ! don't get hit again it gets worse each time.