Omeprazole vs Ondansetron

## Omeprazole vs Ondansetron: Overview

This comparison examines the pharmacological differences between **Omeprazole** and **Ondansetron**.

## Mechanism of Action

**Omeprazole**: Proton pump inhibitor that irreversibly blocks H+/K+-ATPase.

**Ondansetron**: Selective 5-HT3 receptor antagonist.

## Pharmacokinetics

**Half-life**: Omeprazole — 0.5-1 hour; Ondansetron — 3-5 hours.

## Chemical Properties

**Molecular Formula**: Omeprazole — C17H19N3O3S; Ondansetron — C18H19N3O.

**Molecular Weight**: Omeprazole — 345.4170 g/mol; Ondansetron — 293.3660 g/mol.

**Type**: Omeprazole — Small molecule; Ondansetron — Small molecule.