Diphenhydramine vs Fluconazole

Diphenhydramine vs Fluconazole: Overview

This comparison examines the pharmacological differences between Diphenhydramine and Fluconazole.

Mechanism of Action

Diphenhydramine: First-generation H1 antihistamine with anticholinergic properties.

Fluconazole: Inhibits fungal CYP51 (lanosterol 14-alpha-demethylase).

Pharmacokinetics

Half-life: Diphenhydramine — 2-8 hours; Fluconazole — 30 hours.

Chemical Properties

Molecular Formula: Diphenhydramine — C17H21NO; Fluconazole — C13H12F2N6O.

Molecular Weight: Diphenhydramine — 255.3550 g/mol; Fluconazole — 306.2710 g/mol.

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