Cetirizine vs Pregabalin

## Cetirizine vs Pregabalin: Overview

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

## Mechanism of Action

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

**Pregabalin**: Binds alpha-2-delta subunit of voltage-gated calcium channels.

## Pharmacokinetics

**Half-life**: Cetirizine — 6.5-10 hours; Pregabalin — 6.3 hours.

## Chemical Properties

**Molecular Formula**: Cetirizine — C21H25ClN2O3; Pregabalin — C8H17NO2.

**Molecular Weight**: Cetirizine — 388.8900 g/mol; Pregabalin — 159.2260 g/mol.

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