Diphenhydramine vs Ibuprofen

Diphenhydramine vs Ibuprofen: Overview

This comparison examines the pharmacological differences between Diphenhydramine and Ibuprofen.

Mechanism of Action

Diphenhydramine: First-generation H1 antihistamine with anticholinergic properties.

Ibuprofen: Non-selective COX inhibitor reducing prostaglandin synthesis.

Pharmacokinetics

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

Chemical Properties

Molecular Formula: Diphenhydramine — C17H21NO; Ibuprofen — C13H18O2.

Molecular Weight: Diphenhydramine — 255.3550 g/mol; Ibuprofen — 206.2810 g/mol.

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