Specialists in Gastroenterology has added tests to help patients with Helicobacter pylori. The first is a test for those who have not been able to able to get eradicate Helicobacter pylori from their stomach. We can test up to 18 different antibiotics for drug resistance so that we can come up with a medicine regimen that works for our patients. This bacteria is responsible for gastritis, ulcers, and stomach cancer. We also can test for the Cag A toxin that comes from certain strains of Helicobacter pylori. This is associated with gastric cancer and with ocular rosacea. This would help determine how aggressive we should be with this bacteria that is often challenging to eradicate.