<unk>  is a gastrointestinal, anti-ulcer agent that is FDA approved for the treatment of duodenal ulcer disease, erosive esophagitis, erosive esophagitis- maintanance, short-term treatment of active gastric ulcer, gastric ulcer - NSAID-associated gastropathy, gastroesophageal reflux disease, Zollinger-Ellison syndrome and for prophylaxis of gastric ulcer.   Common adverse reactions include abdominal pain, constipation, diarrhea, nausea, headache.
Lansoprazole
Rabeprazole
Omeprazole
Esomeprazole 
Pantoprazole 
Esomeprazole sodium
Hexetidine
Sucralfate