by Rosalyn Carson-DeWitt, MD
Hyperhidrosis is excessive sweating. It can be an embarrassing and serious problem. It can affect social, professional, and intimate relationships.
The sweating may be in just one area. It is most common in the palms of the hands, soles of the feet, and/or armpits. In some cases the sweating can also affect the entire body. Hyperhidrosis is divided into two categories:
Primary hyperhidrosis may be triggered by:
Secondary hyperhidrosis may be caused by conditions such as:
Risk Factors TOP
Factors that increase your chance of secondary hyperhidrosis are the conditions that cause it (listed above).
Your doctor will ask about your symptoms and medical history. A physical exam will be done.
A starch-iodine test is often used on armpits. It may be used to determine the areas with the most active sweat glands.
Tests may be done if your doctor is concerned that you may have a specific medical condition.
To help decrease the uncomfortable feeling and odor associated with sweating, try:
A number of treatments can be applied to decrease sweating in a particular area. These include:
These are usually used for secondary hyperhidrosis. They are very rarely used due to their side effects, but may include:
This is the toxin produced by the bacteria that cause botulism. Injections of this toxin can decrease sweating in certain areas. It is often used on the palms of the hands and armpits. The effect of one cycle of injections may last for 6-8 months for most patients.
There are no known ways to prevent hyperhidrosis.
International Hyperhidrosis Society
Canadian Institute for Health Information
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Last reviewed March 2014 by Michael Woods, MD
Last Updated: 3/17/2014