I feel nauseous and icky

My period is finished since weds and since I started my last pack of my pill pill back after period I'm coming off in dec to start ttc I feel shitty I feel nauseous on and off I also feel a little anxious in my belly and chest and I'm having the feeling in my pelvis like the one you get when af is coming and my head hurts it's not a bug or flu as I had the flu last week my tongue feels weird like its curling you know that feeling when your gonna get sick and I'm tired I'm also taking folic acid since last week