Did you know that there are over 250,000 sweat glands in your feet? Each foot normally produces half a pint of moisture per day. Three percent of the population suffers from excessive perspiration, which is called hyperhidrosis. Disproportionate sweating can be a very embarrassing problem for some people, but the good news is there are many effective ways to treat this condition.The easiest way to attack excessive sweating is to put antiperspirant on your feet, such as the same antiperspirant people use on a daily basis for underarm care. By applying it on your skin, it forms a plug that blocks perspiration. You can start with over-the-counter products that cause less irritation than the prescribed forms.  It is best to apply this twice a day, especially at night, as this is the most effective time for application because the glands are less active and your skin is drier.If this is not enough, ask your podiatrist about other options such as prescription antiperspirant with aluminum chloride (Xerac AC, Drysol). There are other topical agents such as aldehyde that have limited use since they can cause severe allergic reaction and severe skin irritation. Oral prescription medications, such anticholinergics, can also be used with possible side-effects like dry mouth or blurred vision. Injection of botox, which is best known to help with wrinkles, can also work to decrease sweating by blocking the nerves that trigger sweat glands. Treatment is only temporary and lasts between 6 to 9 months. Iontophoresis is also an available option.In severe cases, surgery may be suggested either to remove the sweat glands or to disconnect the nerves responsible for the overproduction of sweat.

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