while ibs can be very extremely painful everyone who has it has a bit differant symtoms, while one has the runs all the time others have a combo of symtoms ,
gas is always a instigator , leave the carbonation alone as well as other
gas causing foods,.......SUGAR feeds bad stuff!! try to cut it out or down or switch to spenda ,........get checked for worms,......change your eating habbits,....
think about putting fruit in a bag and letting it rot,....the bag blows up,.....