Diphenhydramine vs Fluoxetine

Diphenhydramine vs Fluoxetine: Overview

This comparison examines the pharmacological differences between Diphenhydramine and Fluoxetine.

Mechanism of Action

Diphenhydramine: First-generation H1 antihistamine with anticholinergic properties.

Fluoxetine: Selective serotonin reuptake inhibitor (SSRI).

Pharmacokinetics

Half-life: Diphenhydramine — 2-8 hours; Fluoxetine — 1-3 days.

Chemical Properties

Molecular Formula: Diphenhydramine — C17H21NO; Fluoxetine — C17H18F3NO.

Molecular Weight: Diphenhydramine — 255.3550 g/mol; Fluoxetine — 309.3260 g/mol.

Type: Diphenhydramine — Small molecule; Fluoxetine — Small molecule.