about 20 days back i drunk 3 tins of redbull an energy drink constantly while i was with an empty stomach. 

i don't know what was happening my heart was beating so fast whole body was shaking on its on and  mentaly i was not present there ..something was happening to me very badly .like i was gonna die .

from that a day my stomach is not answering well plz suggest me , something which can make me perfect.