Diphenhydramine vs Dulaglutide

## Diphenhydramine vs Dulaglutide: Overview

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

## Mechanism of Action

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

**Dulaglutide**: GLP-1 receptor agonist fused to Fc fragment; enhances glucose-dependent insulin secretion.

## Pharmacokinetics

**Half-life**: Diphenhydramine — 2-8 hours; Dulaglutide — 5 days.

## Chemical Properties

**Molecular Formula**: Diphenhydramine — C17H21NO; Dulaglutide — N/A.

**Molecular Weight**: Diphenhydramine — 255.3550 g/mol; Dulaglutide — N/A.

**Type**: Diphenhydramine — Small molecule; Dulaglutide — Protein.