Suggest Treatment For Nausea, Vomiting, Poor Appetite And Frequent Urination

Hey I don t know what s up with me, the past 3 weeks I have been feeling nauseous, I have been puking, poor apetite, anything I eat I can t keep down, I m urninating a lot more, have been getting headaches, And sharp pains in my side, I also have experienced some leg cramping, my period showed up 5 days late, I m usually always on time,before it showed up I had been spotting, but when it showed up it was brown instead of bright right like brownish discharge, sorry tmi, and doesn t show up on a pad only when I wipe, with light blood , my periods usually really heavy and I run thru a lot of pads, before this period showed up, I went the doctors the test came back negative, I was wondering have you heard of so.some experiencing this before, or did I test too early?