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Vol. 1, Issue 4 (2012)

Transdermal Drug Delivery System: A Review

Dipen Patel*, Sunita A. Chaudhary, Bhavesh Parmar, Nikunj Bhura
A transdermal patch is a medicated adhesive patch that is placed on the skin to deliver a specific dose of medication through the skin and into the bloodstream. Often, this promotes healing to an injured area of the body. An advantage of a transdermal drug delivery route over other types of medication delivery such as oral, topical, intravenous, intramuscular, etc. is that the patch provides a controlled release of the medication into the patient, usually through either a porous membrane covering a reservoir of medication or through body heat melting thin layers of medication embedded in the adhesive. The main disadvantage to transdermal delivery systems stems from the fact that the skin is a very effective barrier; as a result, only medications whose molecules are small enough to penetrate the skin can be delivered in this method. A wide variety of pharmaceuticals are now available in transdermal patch form.
Pages: 66-75  |  3732 Views  1291 Downloads

The Pharma Innovation Journal
How to cite this article:
Dipen Patel*, Sunita A. Chaudhary, Bhavesh Parmar, Nikunj Bhura. Transdermal Drug Delivery System: A Review. Pharma Innovation 2012;1(4):66-75.

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