Transdermal patches: A recent approch to new drug delivery system

Sonia Dhiman, Thakur Gurjeet Singh, Ashish Kumar Rehni

Research output: Contribution to journalReview articlepeer-review

46 Scopus citations


Transdermal drug delivery system was introduced to overcome the difficulties of drug delivery through oral route. A transdermal patch is 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. This review article describes the methods of preparation of different types of transdermal patches such as matrix patches, reservoir type, membrane matrix, drug-in-adhesive patches and micro reservoir patches. In addition, the various methods of evaluation of transdermal dosage form have also been reviewed.

Original languageEnglish (US)
Pages (from-to)26-34
Number of pages9
JournalInternational Journal of Pharmacy and Pharmaceutical Sciences
Issue numberSUPPL. 5
StatePublished - 2011
Externally publishedYes


  • Drug-In-Adhesive Patches
  • Matrix Patches
  • Membrane Matrix
  • Micro Reservoir Patches
  • Reservoir Type
  • Transdermal Patch

ASJC Scopus subject areas

  • Pharmacology
  • Pharmaceutical Science


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