Omeprazole
A proton pump inhibitor (PPI) that irreversibly suppresses gastric acid secretion; used for GERD, peptic ulcers, and H. pylori eradication.
Omeprazole irreversibly binds the H+/K+ ATPase pump on gastric parietal cells, blocking acid secretion for up to 24 hours. It is one of the most commonly prescribed medications worldwide.
(Placeholder study content — expanded in the content build step.)