<s>[INST] i have been ill bout two years now.am jus 18.am having all problems,but doctor r not finding any complain.right now am feeling a burning in my abdomen a pain in my back with burning too. [/INST] yes,you have peptic ulcer.This pain may refer to back.You would better try Nexum 40mg twice daily and domperidone 10mg thrice daily.Continue it atleast 4-6 weeks. </s>