Cetirizine vs Duloxetine

## Cetirizine vs Duloxetine: Overview

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

## Mechanism of Action

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

**Duloxetine**: Serotonin-norepinephrine reuptake inhibitor (SNRI).

## Pharmacokinetics

**Half-life**: Cetirizine — 6.5-10 hours; Duloxetine — 12 hours.

## Chemical Properties

**Molecular Formula**: Cetirizine — C21H25ClN2O3; Duloxetine — C18H19NOS.

**Molecular Weight**: Cetirizine — 388.8900 g/mol; Duloxetine — 297.4150 g/mol.

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