Diphenhydramine vs Penicillin G

Diphenhydramine vs Penicillin G: Overview

This comparison examines the pharmacological differences between Diphenhydramine and Penicillin G.

Mechanism of Action

Diphenhydramine: First-generation H1 antihistamine with anticholinergic properties.

Pharmacokinetics

Half-life: Diphenhydramine — 2-8 hours.

Chemical Properties

Molecular Formula: Diphenhydramine — C17H21NO.

Molecular Weight: Diphenhydramine — 255.3550 g/mol.

Type: Diphenhydramine — Small molecule; Penicillin G — Small molecule.