If anyone's not sure if you need to go to the hospital, I'm home in 408 for the next few hours. I can't prescribe anything as an unregistered nurse and all the natural medicine I know is from the other side of the world but I can at least tell you how bad it might be.
Just a disclaimer that I don't have brain scanners or anything. If you hit your head and you feel dizzy, nauseous, lightheaded, anything like that, skip me and go to a real doctor. Same if you might have internal bleeding - if you see any blood in urine or stool or if you're coughing or vomiting it, straight to hospital. Keep an eye on any bruising because it can take a while to show up and if they're getting bigger you might have a problem. If I can see or feel the damage I can assess it. If I can't, you need to see someone who can.