Ondansetron vs Sitagliptin

## Ondansetron vs Sitagliptin: Overview

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

## Mechanism of Action

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

**Sitagliptin**: DPP-4 inhibitor increasing incretin levels.

## Pharmacokinetics

**Half-life**: Ondansetron — 3-5 hours; Sitagliptin — 12.4 hours.

## Chemical Properties

**Molecular Formula**: Ondansetron — C18H19N3O; Sitagliptin — C16H15F6N5O.

**Molecular Weight**: Ondansetron — 293.3660 g/mol; Sitagliptin — 407.3140 g/mol.

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