A REVIEW ON TRANSDERMAL DRUG DELIVERY SYSTEM

In today’s world about 74% of drugs are taken orally and are found not to be as effective as desired in the present scenario. So to overcome or to improve such character transdermal drug delivery system was emerged in form of transdermal patches. Transdermal drug delivery represents the most rapidly advancing areas of novel drug delivery. To overcome the difficulties of drug delivery through oral route easier way was introduced known as transdermal drug delivery system for example poor bio-availability, first pass metabolism and sometime responsible for rapid blood level. Keywords: Transdermal patches, Penetration Enhancers,TDDS.