###### Created: 2023-09-12 10:50 ###### Areas & Topics: #medicine ###### Note Type: #permanent ###### Connected to: [[Cystic Fibrosis]] - Iontophoresis is the process of passing a weak electrical current through the skin - It is used in medicine to allow transdermal delivery of certain medication ### Mechanism of Action - Essentially how it works is that you have two chambers. - One chamber contains the charged active agent (i.e. the drug you're delivering) and a solvent vehicle (e.g. water). - The other chamber (or electrode) is just used to receive the returning current. - If your agent is a positively charged chemical species, the chamber will be positively charged as a current is driven through it. - This will cause repulsion of the agent (drug) through the skin via electrophoresis/elctrosmosis and allow it to be delivered transdermally. - This can be thought of as giving an injection with no needle. ### Resources https://en.wikipedia.org/wiki/Iontophoresis