About 25% of people with hyperhidrosis suffer from
The idea of using iontophoresis for the treatment of hyperhidrosis was first mentioned in medical texts in 1936. By 1952, a study on the efficacy of iontophoresis had been completed. This study found that 85% of the people in the study saw significant improvement after using tap water iontophoresis. The study was comprised of 113 participants who were given a simple galvanic device which allowed them to perform iontophoresis at home. This study also demonstrated that iontophoresis could be effective when only tap water was used. This was important because it was done at a time when people were questioning the use of tap water for iontophoresis, and trying to discover
More recent data also supports the use of iontophoresis. A study was conducted in 1989 in which patients were given either real or fake iontophoresis. After a median of 10 treatments, the participants who received real iontophoresis demonstrated an 81% reduction in sweat production when tested by a gravimeter. An even more recent study, which took place in 2002, consisted of 112 patients who had palmar hyperhidrosis, also had promising results. It showed that sweating was reduced by 81.2% when compared to a patient’s baseline after eight treatments. The improvements were recorded 20 days after the last iontophoresis session and symptoms began to return 35 days after the last session. These studies demonstrate that iontophoresis is quite effective in most patients, although iontophoresis must be continued regularly for results to last.
Studies have shown that iontophoresis is effective, but how does it work? Many doctors and scientists have asked that same question, and unfortunately, no one truly knows. Iontophoresis is defined as the introduction of an ionized substance through intact skin by the application of a direct current. It is currently thought that the action of iontophoresis effectively plugs sweat glands so that sweat cannot escape to the surface of the skin. This is the current belief because the effects of iontophoresis can be reversed by stripping cellophane tape over areas of “inactivated” sweat glands that were previously treated by iontophoresis. It is thought that the cellophane removes plugs formed by iontophoresis. Some, however, disagree with the idea that sweat glands are mechanically plugged during iontophoresis. One research team looked at eccrine (sweat gland) cells from the palm of a patient both before and after receiving iontophoresis treatment. The team used light and electron microscopy to examine the cells and found no changes to them.
Iontophoresis really does work, regardless of the fact that scientists are not sure why. It provides patients with a treatment option that is safe, effective, and cheap. If someone finds that tap water is ineffective, other substances can be added
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