•Famotidine is a histamine 2 receptor antagonist used to treat GERD or prevent peptic ulcer disease by decreasing gastric acid secretion.
•H2RAs are commonly used in place of proton pump inhibitors for the prevention of peptic ulcers.
•Ondasteron is an antiemetic.
•Loperamide is an antidiarrheal.
•Metclopramide is a prokinetic used to stimulate GI motility.