This past 3 months i've been feeling extremely tired more than usual, i feel dizzy most of the time, i have horrible headaches and my vision is blurry, and i lost my appetite whatever i eat makes me sick even if it's just water,and my blood pressure is low, i don't understand what's wrong with me ,this never happened to me before, i am very stressed out over this and i am too scared to go to my doctor,HELP!