Transdermal drug delivery enjoys several advantages over other routes of administration. A transdermal patch is a medicated adhesive patch that is placed on skin to deliver a time release dose of medication through skin for treating a systemic illness. The transdermal therapeutic system is of particular clinical significance for prevention and long term treatment of chronic diseases like Rheumatoid Arthritis, Osteoarthritis, Ankylosing Spondylitis, Dysmenorrhea, Acute Gout and Pain. The benefits of using transdermal drug delivery system include improved systemic bioavailability resulting from...