Diphenhydramine vs Lansoprazole

## Diphenhydramine vs Lansoprazole: Overview

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

## Mechanism of Action

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

**Lansoprazole**: Proton pump inhibitor.

## Pharmacokinetics

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

## Chemical Properties

**Molecular Formula**: Diphenhydramine — C17H21NO; Lansoprazole — C16H14F3N3O2S.

**Molecular Weight**: Diphenhydramine — 255.3550 g/mol; Lansoprazole — 369.3620 g/mol.

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