Cetirizine vs Propranolol

## Cetirizine vs Propranolol: Overview

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

## Mechanism of Action

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

**Propranolol**: Non-selective beta-adrenergic receptor blocker.

## Pharmacokinetics

**Half-life**: Cetirizine — 6.5-10 hours; Propranolol — 3-6 hours.

## Chemical Properties

**Molecular Formula**: Cetirizine — C21H25ClN2O3; Propranolol — C16H21NO2.

**Molecular Weight**: Cetirizine — 388.8900 g/mol; Propranolol — 259.3440 g/mol.

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