I'm having severe functional dyspepsia is there any cured for that? it seems ganaton wont work for me.?

Now current symptom i hv now also seems to b similar to ulcerative colitis. Like i hv bloody diarrhea, fever alwiz happen at nite, severe pain on tha left sided, crampy n a bit swollen on my knee this lately... Current take barium swallow cant diagnose anything.. I'm confuse now.. but the ganaton wont work for asian ppl?