I would wash the area with antibacterial soap (carefully) and apply an ice pack to that area. Make sure she stays awake for the first hour at least. After that, about every 20-30 min go and arouse her from sleep (You don't have to fully wake her) just enough to make sure she will wake up.
Here is an excellent site that I really like that explains what to watch for immediately and what to watch for on a delay reaction along with at what point to seek medical attention.
read hereHope this helps.
