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Focal hyperhidrosis, also known as primary hyperhidrosis, is a disease characterized by an excessive sweating localized in certain body regions (particularly palms, feet and underarms). Studies suggest that this condition, affecting between 1% and 3% of the US population, seems to have a genetic predisposition in about two thirds of those affected.
Hyperhidrosis is the medical term for excessive sweating in the underarms, face, scalp, palms and feet, according to Johns Hopkins Medicine, which also notes that people experiencing it often ...
Hands, feet, armpits, groin, and the facial area are among the most active regions of perspiration due to the high number of sweat glands (eccrine glands in particular) in these areas. When excessive sweating is localized (e.g. palms, soles, face, underarms, scalp) it is referred to as primary hyperhidrosis or focal hyperhidrosis.
For palmoplantar hyperhidrosis, 20% aluminum chloride hexahydrate in absolute anhydrous ethyl alcohol () is the most effective topical treatment. [4] Other topical treatments such as potassium permanganate, tannic acid (2 to 5 percent solutions), resorcinol, boric acid, formaldehyde, methenamine, and glutaraldehyde have yielded less than desirable results.
The common condition is defined as when the sweat glands and ducts get blocked, leading to the sweat to flow back into the outer (epidermis) and middle (dermis) layers of skin.
Sweat glands, also known as sudoriferous or sudoriparous glands, from Latin sudor 'sweat', [6] [7] are small tubular structures of the skin that produce sweat. Sweat glands are a type of exocrine gland , which are glands that produce and secrete substances onto an epithelial surface by way of a duct .
Everyone sweats—some people sweat more than others. Your body is covered in sweat glands, and sweating is the body’s natural response to regulate temperature and remove toxins. It usually ...
Chromhidrosis is a rare condition characterized by the secretion of colored sweat. [2] It is caused by the deposition of lipofuscin in the sweat glands. Cases of red, blue, green, yellow, pink, and black sweat have been reported. Usually, chromhidrosis affects the apocrine glands, mainly on the face and underarms.