Ciprofloxacin vs Diphenhydramine

## Ciprofloxacin vs Diphenhydramine: Overview

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

## Mechanism of Action

**Ciprofloxacin**: Inhibits bacterial DNA gyrase and topoisomerase IV.

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

## Pharmacokinetics

**Half-life**: Ciprofloxacin — 4 hours; Diphenhydramine — 2-8 hours.

## Chemical Properties

**Molecular Formula**: Ciprofloxacin — C17H18FN3O3; Diphenhydramine — C17H21NO.

**Molecular Weight**: Ciprofloxacin — 331.3460 g/mol; Diphenhydramine — 255.3550 g/mol.

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