this morning i got up and i blacked out which is normal for me when i get up to quick but this time i blacked out complelty and i came back and i was on the floor but i didnt hit my head i was sitting on my butt. and latr on today the back of my head started hurting like somoene hit me in my head but nothing happen to it and it hurts on the outside kinda and on the inside its hard to explain but im realizing rn my ear hurts to and where the pain is is kinda where my ear is in the general area what could be causing me all this pain?