sick ?

i have felt like crap this whole week...i cant figure out if im sick? or is it stress ? am i adjusting to a med ? what ...  ii just feel like crap ...right now it feels like my sugar has dropped but ive checked my sugar and it is not low...but im lightheaded and out of it...im waiting to eat..like food in the oven waiting to eat...and im going to lay down and see if that helps..but its been something every day..and ive been freezing...so i dont know...just ...just feeling rather crappish ...