Amoxicillin vs Diphenhydramine

## Amoxicillin vs Diphenhydramine: Overview

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

## Mechanism of Action

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

**Diphenhydramine**: First-generation H1 antihistamine with anticholinergic properties.

## Pharmacokinetics

**Half-life**: Amoxicillin — 1-1.5 hours; Diphenhydramine — 2-8 hours.

## Chemical Properties

**Molecular Formula**: Amoxicillin — C16H19N3O5S; Diphenhydramine — C17H21NO.

**Molecular Weight**: Amoxicillin — 365.4050 g/mol; Diphenhydramine — 255.3550 g/mol.

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