<p>This test looks a bacteria that infects the stomach called Helicobacter Pylori (H. Pylori) via a stool antigen test.&nbsp; Overtime, if left un-treated, this bacteria can cause ulcers that lead to bleeding in the stomach , chronic abdominal pain,&nbsp; and even stomach cancer. The test is &nbsp;done by looking for protein particles of the bacteria in stool.&nbsp;<br />
<br />
&nbsp;</p>