The Procter & Gamble Company
Quick dissolving diphenhydramine oral dosage form

Abstract:

An oral dosage form to deliver diphenhydramine through the sublingual or buccal mucosa. The oral dosage form can contain diphenhydramine, or a pharmaceutically acceptable salt thereof, a permeability enhancer, and a buffering agent. The buffering agent can achieve a pH of about 7.0 to about 8.0. The diphenhydramine can completely dissolve within about 2 minutes.