<p>Lansoprazole is a proton-pump inhibitor which inhibits the stomach&#39;s production of gastric acids.<br />
<br />
Amoxicillin is a penicillin antibiotic. It acts by inhibiting the synthesis of bacterial cell walls.lt inhibits cross-linkage between the linear peptidoglycan polymer chains that make up a major component of the cell walls of both Gram-positive and Gram-negative bacteria.<br />
<br />
Clarithromycin is a macrolide antibiotic.It prevents bacteria from growing by interfering with their protein synthesis. It binds to the subunit 50S of the bacterial ribosome and thus inhibits the translation of peptides.</p>