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29. Picture of Hyperhidrosis: Starch-Iodine Test

Picture of Hyperhidrosis: Starch-Iodine Test.
Image Source: Color Atlas of Cosmetic Dermatology Marc R. Avram, Sandy Tsao, Zeina Tannous, Mathew M. Avram Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.
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Hyperhidrosis, or excessive sweating, is a common disorder that produces a lot of unhappiness. An estimated 2%-3% of Americans suffer from excessive sweating of the underarms (axillary hyperhidrosis) or of the palms and soles of the feet (palmoplantar hyperhidrosis). Underarm problems tend to start around puberty, while palm and sole sweating may begin earlier, often during childhood. Untreated, these problems may continue throughout life.

Pictured is an example of the starch-iodine test in the left axilla. Mote the prominent dark blue-black discoloration at sites of hyperhidrosis.

Text Source: Color Atlas of Cosmetic Dermatology Marc R. Avram, Sandy Tsao, Zeina Tannous, Mathew M. Avram Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

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