Talk to General Physician on Body Weakness

Mjhe kafi dino se bht weakness ho rhi h ...Jese hi mjhe bhook lgti h mjhe ghabrahat hone lgti h heart beat tez hojati h or pichle 2,3 dinse mere sar k peeche or age dard h neck ki back pe or shoulders me b drd h...ye sb blood deficiency ki wajase hota h ??