oa SA Pharmaceutical Journal - Patches for pain relief : review



Although other forms of drug delivery are increasing in popularity, currently approximately 74% of medicine is administered orally. Transdermal drug delivery systems (TDDS) are dosage forms that involve the transportation of drugs across the different skin layers for a therapeutic effect. Currently, several transdermal patches are available for pain relief. This review will discuss the different components of the TDDS, as well as the various types of transdermal patches that are available in South Africa.


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