Home TSI Clinic TSI Seminars Staff Treatments Insurance FAQ Contact Us Iontophoresis Iontophoresis is a means of delivering steroids through the skin. The steroid is applied to the skin and then an electrical current is applied that causes it to migrate under the skin. The steroids then produce an anti-inflammatory effect in the general area that is causing pain. Iontophoresis is especially effective in relieving • Acute episodes of pain • Inflammation • Tenderness All Content © 2005 Therapeutic Systems, Inc.