Cetirizine vs Metformin

## Cetirizine vs Metformin: Overview

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

## Mechanism of Action

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

**Metformin**: Activates AMP-activated protein kinase, decreasing hepatic glucose production.

## Pharmacokinetics

**Half-life**: Cetirizine — 6.5-10 hours; Metformin — 4-9 hours.

## Chemical Properties

**Molecular Formula**: Cetirizine — C21H25ClN2O3; Metformin — C4H11N5.

**Molecular Weight**: Cetirizine — 388.8900 g/mol; Metformin — 129.1640 g/mol.

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