Period 2 weeks early?

Nicole
So I've been in birth control for almost two months but it's been making me really sick I stopped taking it. Yes I realize that probably wasn't very smart. Well about two weeks ago I had gotten my period on time while in the pill. It ended in time. Well a few days ago I stopped the pill and yesterday I got my period two weeks early? Is that normal since I just up and stopped the pill? I plan to just get my prescription changed so will that help any?