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Iontophoresis
Iontophoresis is most commonly used for treating hyperhidrosis of the hands and feet; treating the axillae is not as straightforward. The exact mechanism of action is unknown, but the hands or feet are placed in water and a small electrical current is passed through the skin.
Iontophoresis provides only temporary relief from hyperhidrosis. Treatment is administered every other day to begin with, then the frequency can be reduced to once a week; however, the symptoms will return if the regime is stopped. The procedure is available in NHS hospitals but requires frequent outpatient visits. Home kits can be purchased and the treatment is also offered by some aesthetic and medically-led clinics.