You REALLY need to go to the ER now...I would not keep trying to take any more of your medication as it could sedate you. Head injuries are very serious and the fact that you blacked out and now are getting nauseous is a huge red flag.
Please go to the ER and let them check you out and then you can go from there.
I had an accident on my bike when I was a kid..We didn't wear helmets back then....My mom was already in the hospital recovering from her back surgery. I blacked out as well and had the same symptoms you are describing a day later. They took me to the ER and I wound up in the ICU for a few days with a concussion and swelling in the brain.
I am not one to use the ER for just anything but this is the type of thing that needs immediate attention so they can run the appropriate tests.
Please go and then update us when you can..
Post Edited (Snowbunny21) : 1/23/2013 6:19:54 PM (GMT-7)