Hi I Am 45 Years Old Now I Have Stomach

hi i am 45 years old now i have stomach problem since last 14 years main problem is that i goes toilet 4 or 4 time a day some cramps and gas is also their i have done medical test for that all are negetive this time i am taking omidazol and offloxacin twice daily are this is currect antibiotic for me....please help me