<unk> s <unk> s) are a class of medications that cause a profound and<unk> ged reduction of stomach acid production. They do so by irreversibly inhibiting the stomach's H+/K+ ATPase<unk> <unk> . They are the most potent<unk> s of acid secretion available.<unk> s have largely superseded the H2-receptor antagonists, a group of medications with similar effects but a different mode of action, and antacids.<unk> s are among the most widely sold medications in the world. The class of<unk>  medications is on the World Health Organization's List of Essential Medicines. Omeprazole is the specific listed example.
Proton-pump inhibitor
Antisialagogue
Mucoactive agent
Prokinetic agent
Galactagogue
Cholagogue
Antacid
Caloric restriction mimetic