Cetirizine vs Telmisartan

## Cetirizine vs Telmisartan: Overview

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

## Mechanism of Action

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

**Telmisartan**: Selective angiotensin II type 1 receptor antagonist; also a partial PPAR-gamma agonist.

## Pharmacokinetics

**Half-life**: Cetirizine — 6.5-10 hours; Telmisartan — 24 hours.

## Chemical Properties

**Molecular Formula**: Cetirizine — C21H25ClN2O3; Telmisartan — C33H30N4O2.

**Molecular Weight**: Cetirizine — 388.8900 g/mol; Telmisartan — 514.6230 g/mol.

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