Yes I Slipped And Fell I Hit My Head On

Yes I slipped and fell I hit my head on a curb I was bleeding pretty bad I'm aleric to local anesthetic but they started to stable my wound didn't get any thing for pain but don't care anyway while stabling me they discovered a aterial bleed so they switched to stiched no meds again but I have really bad headache and from one actually 2 it's just lightly dripping blood should I be concerned