Hi, doctor, I m so worried cause, i have a upper endoscopy my doctor found ulcers and bacteria in my stomach. She prescribed to me, amoxicillin 500 mg and erythromycin 500mg. I have to take two amox an 1 erythro twice a day after meals. I thinks is too much doses for me, in total is 2000 of amoxicillin per day and 100 of erythromicin. I safe for me to take that?