What to expect from antibiotic treatment for peptic ulcer

Treatment commonly combines antibiotics with an acid-reducing medicine, because lowering stomach acid supports healing while the antibiotics clear the bacteria. The exact combination depends on previous antibiotic exposure, allergies, local prescribing guidance, and test results. Taking several medicines can feel complicated, but each has a separate job.

Upper abdominal discomfort, nausea, bloating, or indigestion may improve gradually rather than immediately. Acid reduction can allow the ulcer lining to heal, while a follow-up test may check whether Helicobacter pylori has cleared. An ulcer can have causes other than this infection, so treatment is tailored to the underlying cause.

Follow the schedule carefully and finish the prescribed course unless a clinician tells you to change it. Do not use leftover antibiotics or add remedies without checking for interactions. Take medicines as directed, keep hydrated, and ask whether anti-inflammatory painkillers could irritate your stomach. Tell your clinician about allergies, pregnancy, and regular medicines.

Arrange the recommended follow-up test at the time advised, since symptoms alone cannot confirm that the infection has cleared. Avoid smoking and limit anything that reliably worsens your symptoms. Contact the prescribing team if diarrhoea is severe, vomiting prevents doses, or side effects are difficult to manage.

Get urgent medical help for vomiting blood, black or tar-like stools, sudden severe abdominal pain, fainting, or marked weakness. These signs can indicate bleeding or a perforation and need prompt assessment. Seek urgent advice as well for swelling of the lips or face, wheezing, or trouble breathing after a medicine.

Was Helicobacter pylori found, and which medicines target it? How should I space the doses? When should I have a follow-up test? Which painkillers should I avoid? What symptoms mean I should stop a medicine and seek help?