Development and evaluation of buccal patches of theophylline

Buccal patches are the types of formulations in which the drug is administered through buccal mucosa. these patches are or placed in between the gums and the for the pharmacological response. The main advantage of these patches is there is no first pass metabolism takes place and easily absorb in systemic circulation through themucosa .the main objective of this drug delivery system is to elevate or increase the bioavailability of the drug. the review informs about the steps involve in the preparation of buccal patch and to promote the awareness towards this type of drug delivery system. This article intends to analyze the overall profile of Buccal Patches and scope of future advances.