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Year : 2005  |  Volume : 71  |  Issue : 4  |  Page : 236--241

Iontophoresis in dermatology


Department of Dermatology, PSG Hospitals, Peelamedu, Coimbatore, India

Correspondence Address:
C R Srinivas
Department of Dermatology, PSG Hospitals, Peelamedu, Coimbatore - 641 004, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0378-6323.16613

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Iontophoresis is the process of increasing the penetration of drugs into the skin by application of an electric current. The drug is applied under an electrode of the same charge as the drug, and a return electrode opposite in charge to the drug is placed at a neutral site on the body surface. Electrical energy assists the movement of ions across the skin using the principle "like charges repel each other and opposite charges attract". In this article, we discuss the mechanism, principles, factors influencing iontophoresis and its application for various dermatological conditions.






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Online since 15th March '04
Published by Wolters Kluwer - Medknow