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Diagnosis of Helicobacter Pylori

It is very important that prior to any breath testing (except serology, i.e. the H.pylori antibody blood test) for H. pylori, you have not taken any antibiotics or Pepto Bismol /De-Nol for one month, Losec Nexium & other similar Proton Pump Inhibitors for one week, or Pepsid, Zantac, Axid, or Tagamet & other such H2 receptor antagonists for 24 hours before the breath tests are done.