Bloody or black stool . Bloody vomit or vomit that looks like coffee grounds. An upper GI series showing a gastric ulcer. If the ulcer is caused by H. pylori, treatment may include a combination of antibiotics that kill the bacteria, H 2 -blockers and proton pump inhibitors that reduce stomach acids, and medications that protect the lining of the stomach. The antibiotics used to kill H. pylori bacterium include metronidazole, tetracycline, clarithromycin, and amoxicillin.
Recurrent ulcers can lead to complications.
Contact your health-care provider right away if symptoms persist or recur or new symptoms develop. Calling Your Health Care Provider Call your health-care provider if ulcer symptoms worsen, do not improve with treatment, or new symptoms develop. The following symptoms can be life threatening. Bloody or black stool . Bloody vomit or vomit that looks like coffee grounds.