Ondansetron vs Spironolactone

## Ondansetron vs Spironolactone: Overview

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

## Mechanism of Action

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

**Spironolactone**: Mineralocorticoid receptor antagonist.

## Pharmacokinetics

**Half-life**: Ondansetron — 3-5 hours; Spironolactone — 1.4 hours.

## Chemical Properties

**Molecular Formula**: Ondansetron — C18H19N3O; Spironolactone — C24H32O4S.

**Molecular Weight**: Ondansetron — 293.3660 g/mol; Spironolactone — 416.5740 g/mol.

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