Gastrointestinal Drug Introduction Gastrointestinal medications can be broken down into the following categores login to view 6 more bullets Gastrointestinal Drug Table Antidiarrheals login to view 1 more bullet Antiemetics login to view 1 more bullet H2 Antagonists login to view 1 more bullet Proton Pump Inhibitors login to view 1 more bullet Other Anti-Ulcer login to view 1 more bullet Laxatives login to view 1 more bullet