I have had bad stomach problems since last sunday assoicated with extreme gas and diagrha. It usually only happens not long after i eat food. I won't be able to see a doctor for another week because I am back on the road again. I have used an anti diagrha medicine a couple of time and it seems to only suppress the systems for a while. What can I do to eliminate this problem with out seeing a doctor??

Optional Information:
Male , Age: 23

Already Tried:
anti diagrha only eating bland foods...