A technique of administration in which the drug is administered by patch or iontophoresis through skin.
Referring to a drug which is released through the skin.
Through the skin, referring to absorption of drugs that are either placed directly on the skin (such as creams and ointments) or applied in time-release forms, such as skin patches that gradually release small amounts of medication. Popular drugs available for transdermal administration include nitroglycerin, clonidine, estrogen, and scopolamine.
The act of administering medication through topical application onto intact skin, in order to facilitate its absorption into underlying tissues.