What Causes Severe Migraine Along With Dizziness And Vomiting?

Ok I've went to the doctors 2 days ago and they gave me a cocktail through a IV because I was having really bad migraines and now I thrown up 12 times today felling really dizzy can barely walk with out having to throw up I've been taking migraine medicine and other things for headache and stomachaches but nothing is working and I'm really worried because I had this migraine for 9 days and I'm only 14. what's causing all this and what can I do?