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Iontophoresis

Iontophoresis involves passing a weak electrical current through the skin. Iontophoresis has a variety of uses in medicine. This article discusses the use of iontophoresis to decrease sweating by blocking sweat glands.

The area to be treated is placed into water. A gentle current of electricity passes through the water. A technician carefully and gradually increases the electrical current until you feel a light tingling sensation.

The therapy lasts about 30 minutes and requires several sessions.

How iontophoresis works is not  exactly known. It is thought that the process somehow plugs the sweat glands and temporarily prevents you from sweating.

Iontophoresis units are also available for home use.

Why the Procedure Is Performed

Iontophoresis may be used to treat excessive sweating (hyperhidrosis ) of the hands, underarms, and feet.

Risks

Side effects are rare but may include skin irritation, dryness and blistering.

References

Pollack S. Electrosurgery. In: Bolognia JL, Jorizzo JL, Schaffer JV, eds. Dermatology. 3rd ed. Philadelphia, PA: Elsevier Saunders; 2012:chap 140.

Miller JL. Diseases of the eccrine and apocrine sweat glands. In: Bolognia JL, Jorizzo JL, Schaffer JV, eds. Dermatology. 3rd ed. Philadelphia, PA: Elsevier Saunders; 2012:chap 39.

Updated: 5/15/2013

Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Bethanne Black, and the A.D.A.M. Editorial team.


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