Hi I need help, im 22 we had a house warming party Saturday (it s Monday today), I drank a bit too much, woke up the next morning with a massive hangover, then we went for breakfast on our way there I was in back seat of the car we drove by a big bump (pot hole) and I hit my head on the roof of the car, it made my hangover worse, and I lost all apatite , I got dizzy short f breath , and really tired, then I stayed home after that s, this morning I wake up and feel the back if my head is tender and swollen looks almost like a dent it doesn t hurt but it s a tiny bit tender I feel much better than yesterday but not 100% good what can this be I m scared I have no health insurance , is this a cuncussion? what should I do ......... Should I ice it?