Cetirizine vs Losartan

## Cetirizine vs Losartan: Overview

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

## Mechanism of Action

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

**Losartan**: Angiotensin II receptor type 1 antagonist.

## Pharmacokinetics

**Half-life**: Cetirizine — 6.5-10 hours; Losartan — 2 hours.

## Chemical Properties

**Molecular Formula**: Cetirizine — C21H25ClN2O3; Losartan — C22H23ClN6O.

**Molecular Weight**: Cetirizine — 388.8900 g/mol; Losartan — 422.9200 g/mol.

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