Suggest Remedy For Weakness ,stomach Ailment And Nausea

i have been exhausted beyond measure, doing simple task has been enough to get me tired, however the tiredness has improved as I bought vitamin and mineral pills. I get extremely hungry as if I am ging to faint if I dont eat anything. A few weeks ago my body was sore, constipated (still am a bit)) bloated and fart a lot. I have extreme headaches. and am now urinating a lot. I feel nausea all the time, it doesnt matter whether its in the morning, noon or night. I did a prg test and it came out negative and last month I was on my periods