Cetirizine vs Durvalumab

## Cetirizine vs Durvalumab: Overview

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

## Mechanism of Action

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

**Durvalumab**: Human IgG1 kappa anti-PD-L1 monoclonal antibody blocking PD-L1 binding to PD-1 and CD80.

## Pharmacokinetics

**Half-life**: Cetirizine — 6.5-10 hours; Durvalumab — 17 days.

## Chemical Properties

**Molecular Formula**: Cetirizine — C21H25ClN2O3; Durvalumab — N/A.

**Molecular Weight**: Cetirizine — 388.8900 g/mol; Durvalumab — N/A.

**Type**: Cetirizine — Small molecule; Durvalumab — Antibody.