Alprazolam vs Diphenhydramine

## Alprazolam vs Diphenhydramine: Overview

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

## Mechanism of Action

**Alprazolam**: High-potency benzodiazepine GABA-A receptor modulator.

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

## Pharmacokinetics

**Half-life**: Alprazolam — 6-12 hours; Diphenhydramine — 2-8 hours.

## Chemical Properties

**Molecular Formula**: Alprazolam — C17H13ClN4; Diphenhydramine — C17H21NO.

**Molecular Weight**: Alprazolam — 308.7650 g/mol; Diphenhydramine — 255.3550 g/mol.

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