Please read the article on “Iontophoresis for excessive hand & foot sweating” for alternative treatment options. The downside of iontophoresis is that it is time-consuming. Patients have to visit the clinic 2-3 times per week for the treatment to have an effect.
Botox injections into the hands and feet can be effectively used to reduce sweating. The sweating areas on the hands and feet is first demarcated with the same test used for underarm sweating. A local numbing gel is applied for an hour and the sweating areas is then injected. Twenty to fourty injections is done per hand or foot, depending on the size of the sweating area.
Improved occurs within a week or two and will last between 3 and 7 months.
On average 25-35 units of Botox is used per hand or foot. At the time of publication of this post a unit of Botox cost R50.