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Antibiotic medications are used to treat H. pylori infection. Doctors typically prescribe a combination of medications, with the hope that this strategy will help keep H. pylori from developing a resistance to one particular medication. You'll likely take two antibiotic medications for 14 days.
Your doctor may recommend that you undergo testing for H. pylori several weeks after your treatment. A follow-up breath or stool test may confirm that the H. pylori bacterium is no longer present in your body and treatment was successful. Sounds like this is what is planned for you.
Or follow-up testing may show that treatment was unsuccessful. In that case, you may undergo treatment again, receiving a different combination of antibiotic medications. Reference Mayo Clinic Staff
I am sorry I cannot help you by answering your question "what else could it be ?" Please try not to over think your problems and follow up with your physician.
I am sure you will hear from other members that have had H. pylori infection.
~~Kitt~~Moderator: Anxiety/Panic, Osteoarthritis, GERD/Heartburn and Heart/Cardiovascular Disease. www.healingwell.com"If you can't change the world, change your world"