I don't know if you can take immodium or anything like that. But I'd also take some pads/depends with me. That's what I did when I was flying from Germany - USA/USA - Germany and it worked alright.
tournevice said...
and it's not like you can fart on a plane to release the pressure.
Haha! Yea make sure not to eat anything which bloats you like onions, beans, ...
Have a safe flight.