I stopped having my period in October of last year I went in jan of this year to planned parenthood they couldn't find anything wrong so they put me on birth control I was on that for 3 months it made me have my period but every time I would start I would get very sick I would have flu symptoms at first I thought it was the flu but after the third month of the same thing I thought it was the birth control so I stppped taking it but my periods stopped again except today I been spotting but I feel very sick and don't know what's wrong should I go to the ER?

Don't you have a regular OB/Gyn you see? If not then yes go to the ER or, better yet, a walk in clinic. Many of these are popping up as an alternative to ERs.

I did but I just recently lost my insurance when I turned 21

So, ERs are not necessarily free.