Hi Gone thru your query regarding somach pain gas and diarrhea It is a matter of concern . Dear Cause of these problems must be your irregular life style , eating fast ,processed foods constantly or skipping meals ,use of alcohol , smoking lack of exercise and proper sleep . Remove the causes . Take balanced diet having all essental nutrients , fiber ,fruit,veges lot of water .and proper exercise yoga ,pranayam -deep breathing , as you are young lad ,run a few kms to energise your self ,sleep well Avoid mental tention ,worry,anger, alcohol ,smoking and constipation . Do meditation ,Be positive , and do your duty , whatever you are doing , do sincerely In present situation take lemon juice in a glass of warm water and a little of salt and black pepper , in sips ,It will be digested and give you relief from gas and pain . After half an hour again take water same wat and add a spoon of honey in this .Take 1/2 spoon of bishop s seeds and a pinch of salt and black pepper with warm water , twice a day when you feel stomach pain , gas etc; Take some liquid diet , porriage veges soups etc , when you feel hugery . It will be ok 1-2 days After that you take nomal meals other than fast foods . If your problem persists immidiately consult a doctor Hope this helps you solve your query Take care .All the best Don t hesitate to get back if have any other query Eat orange apple pears , little at a time .