Not to sure what is going on with my body, past few weeks had cramping in abdomen but got AF. I have had AF for a little over a week now and am feeling nauseated still, light headed and now having bad diarrhea. Cant be preggers? Cos got AF, First day or two was heavy then the rest was light now just watery spotting. I had a blood test and done several urine tests and nothing. I live with several other people and none of them are experiencing symptoms I am. If i had a bug of some kind, wouldn't they too get it? I am kinda confused. something keeps telling me something is wrong. but feel like giving up on finding what it is since not getting answers from docs. I am also feeling the need to throw up and have brought up food. that is just once today. Anyway thanks.