Amoxicillin vs Cetirizine

## Amoxicillin vs Cetirizine: Overview

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

## Mechanism of Action

**Amoxicillin**: Inhibits bacterial cell wall synthesis by binding to PBPs.

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

## Pharmacokinetics

**Half-life**: Amoxicillin — 1-1.5 hours; Cetirizine — 6.5-10 hours.

## Chemical Properties

**Molecular Formula**: Amoxicillin — C16H19N3O5S; Cetirizine — C21H25ClN2O3.

**Molecular Weight**: Amoxicillin — 365.4050 g/mol; Cetirizine — 388.8900 g/mol.

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