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What is excessive sweating like?

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Everyone sweats when it’s hot outside, but people who have hyperhidrosis experience excessive sweating to the point that moisture may literally drip from their hands. Hyperhidrosis causes them to sweat profusely or when there's no reason to.

Normally, your sweat glands produce perspiration that’s carried to the skin’s surface when the air temperature rises, you develop a fever, you’re exercising, or you’re feeling anxious, nervous, or under stress. When those factors are no longer an issue, the nerves that signal sweating are put on hold.

For the 2% to 3% of the population who have hyperhidrosis, however, the sweat glands don't shut off. They sweat even when the circumstances don’t call for it: when they’re in air conditioning, or while they’re sitting and watching television. Some people even tell their doctors that they sweat in a swimming pool.

From: Causes of Excessive Sweating WebMD Medical Reference

SOURCES:

John E. Langenfeld, MD, thoracic surgeon at Robert Wood Johnson University Hospital, New Brunswick, N.J.

Robert Wood Johnson University Hospital: “Hyperhidrosis Center.”

University of Maryland Medical Center: “Hyperhidrosis.”

Whitney Burrows, MD, assistant professor of surgery at the University of Maryland School of Medicine, Baltimore.

International Hyperhidrosis Society: “About Hyperhidrosis.”

Reviewed by Melinda Ratini on March 27, 2018

SOURCES:

John E. Langenfeld, MD, thoracic surgeon at Robert Wood Johnson University Hospital, New Brunswick, N.J.

Robert Wood Johnson University Hospital: “Hyperhidrosis Center.”

University of Maryland Medical Center: “Hyperhidrosis.”

Whitney Burrows, MD, assistant professor of surgery at the University of Maryland School of Medicine, Baltimore.

International Hyperhidrosis Society: “About Hyperhidrosis.”

Reviewed by Melinda Ratini on March 27, 2018

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