Iontophoresis is generally used for ionic drug delivery via an electric current. This process is known as electromotive drug administration (EMDA). Iontophoresis therapy for excessive sweating involves passing a low electric current through the affected body part (usually hands or feet). It is unclear why iontophoresis works for hyperhidrosis. One explanation is that the minerals in the water get into a patient's skin and block his/her sweat ducts.
The biggest complaint with iontophoresis is that it does not work, or that it stops working every now and again. Below are some tips to ensure the greatest chance at continuous successful iontophoresis therapy.
A prescription is not required to purchase an iontophoresis device. However, if you want to be reimbursed by your insurance company, you will need a prescription. The International Hyperhidrosis Society has a great section on help with getting insurance to cover you iontophoresis machine purchase. They include ICD-10 codes and procedure codes for those in the US.
Below, you will find an alphabetical listing of iontophoresis machines that are used to treat hyperhidrosis. Click on the links for more detailed information about each device, including my personal experiences using the device in some cases. Some of these iontophoresis units are sold used on ebay for a more affordable price.
A number of lesser known devices have also been in existence in the past, and some might still be available in certain geographical region.