could be a few things,left side usualy shows stuff like gasteritis,or bowel obstruction,or could be
pain do to oncomming
kidney stones...if you start getting back
pain,or tingly feeling in urethra,or urge to pee alot,thats almost certain kidney stones.
i had them,and i hoke up with left belly pain,then spread to right kidney area,then i was at hospital getting morphine drip!!!