gastric pain

the pain between stomach and chest is damn * 1000000000000000000000 suffer...
it make me almost cant eat , drink , sleep at all...
unconsciously, it has been follow me quite a long time..(almost 5 years ba)
last night my gastric pain came to attack me again!!!
the doctor advised me is better go to the hospital for a body checkup ...
i am in great tension about it, and i don't know what to do next...
If I choose to go private hospitals, they will use general anesthesia,
it will not pain, but must spend alot of money.
haizzz... I have no money.....T.T

GH is not my choice...i scare......>.<