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transdermal patch

A transdermal patch is an adhesive patch placed on the skin for the delivery of a specific, controlled dose of medication into the body. An advantage of this method is the ease in controlling finite amounts of administered medication. A disadvantage is the patch's limitations for the type of pharmaceuticals used. Transdermal patches can be used to deliver hormones in order to treat the symptoms of menopause and to serve as a form of contraception.