Thanks for writing your query.
After reading your post, it seems that you might be having infection of the gastrointestinal tract.
I would advise that you should get yourself clinically examined and investigated.
You should take an antacid
40mg once a day before meals along with an antibiotic and antiamoebic.
Adding a probiotic
will have an added beneficial effect.
Eat light meals prepared under hygienic conditions.
Also take care of your hydration.
I hope this is helpful to you.