Internal Medicine


Cover image: Focal hyperhidrosis of the left hand. | Iorio R, Plantone D, Frisullo G, et al. Focal Hyperhidrosis in Tumefactive Multiple Sclerosis. Arch Neurol. 2010;67(11):1407–1408. doi:10.1001/archneurol.2010.274

Abnormally increased sweating, in excess of that required for regulation of body temperature.

  • Known as a “Silent handicap


  • Primary hyperhidrosis or focal hyperhidrosis
    • Excessive sweating is localized (e.g. palms, soles, face, underarms, scalp)
  • Generalized hyperhidrosis or secondary hyperhidrosis
    • Excessive sweating involving the whole body 
    • Usually the result of some other, underlying condition.


Hyperhidrosis aetiology | Stefaniak, T.J., Dobosz, Ł., Kaczor, M., & Ćwigoń, M. (2013). Diagnosis and treatment of primary hyperhidrosis. Polski przeglad chirurgiczny, 85 9, 527-43.


Clinical diagnosis

Visual scale for the quantification of hyperhidrosis to measure or quantify hyperhidrosis clinically with a visual scale on the basis of drawings, ranging from being normal to having the worst possible level of hyperhidrosis. | Robertolyra – CC BY-SA 3.0,


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