Cetirizine vs Spironolactone

## Cetirizine vs Spironolactone: Overview

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

## Mechanism of Action

**Cetirizine**: Second-generation H1 antihistamine.

**Spironolactone**: Mineralocorticoid receptor antagonist.

## Pharmacokinetics

**Half-life**: Cetirizine — 6.5-10 hours; Spironolactone — 1.4 hours.

## Chemical Properties

**Molecular Formula**: Cetirizine — C21H25ClN2O3; Spironolactone — C24H32O4S.

**Molecular Weight**: Cetirizine — 388.8900 g/mol; Spironolactone — 416.5740 g/mol.

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