My stomach has been cramping for two weeks I have been feeling nauseous having constipation going to the bathroom frequently can’t sleep at night and every time I eat I feel like my food is stuck in my throat sometimes d

I feel dizzy and headaches I also have discharge I believe coming out of my nipples looks more like breastmilk I took a pregnancy test but it came back negative I’m supposed to be coming getting my period tomorrow but I think it’s still too early to take a pregnancy test