gastric/ulcer

i feel my stomatch burning , i have constipation , i was told having pails.
it used to bleed before then went for check up i was told hav ulcer then remain for treatment for ulcer for like 2 months .i was relief frm burning pain for like 1 mnth but again started yet i been just having boiled veg, no spices ,boiled rice .i lost my weight more about 10 kg ,life is becoming so hell and am so stressed coz of that pls what can i do for the permanent solution ?