Cetirizine vs Enalapril

## Cetirizine vs Enalapril: Overview

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

## Mechanism of Action

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

**Enalapril**: Prodrug converted to enalaprilat; inhibits ACE preventing angiotensin I to II conversion.

## Pharmacokinetics

**Half-life**: Cetirizine — 6.5-10 hours; Enalapril — 11 hours.

## Chemical Properties

**Molecular Formula**: Cetirizine — C21H25ClN2O3; Enalapril — C20H28N2O5.

**Molecular Weight**: Cetirizine — 388.8900 g/mol; Enalapril — 376.4470 g/mol.

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