SUDOSCAN is a test that provides an accurate evaluation of sweat function.
- The test focuses on small nerve fibers within the peripheral nervous system innervating the sweat glands.
- The device consists of a computer and 4 electrodes on which patients place their hands and bare feet.
- In less than 3 minutes, SUDOSCAN offers a stimulation of the sweat glands that assess small nerve fibers (C fibers).
The results are displayed automatically.
- If the score is high, this indicates no sign of sudomotor dysfunction and no autonomic neuropathy.
- If the score is low, this indicates a sudomotor dysfunction and a neuropathy.
SUDOSCAN Principles
SUDOSCAN measures the ability of the sweat glands to release chloride ions in response to an electrical stimulus on the palms of the hands and soles of the feet, areas with the highest sweat gland density.

The utility of SUDOSCAN has been demonstrated in:
- Neurology: for the assessment and follow-up of conditions such as neuropathic pain management, idiopathic neuropathies, Gougerot Sjögren, amyloidosis, Fabry disease etc.
- Diabetology: for the early detection of peripheral neuropathy and sweat gland dysfunction, useful for the prevention of diabetic foot complications.
- Oncology: for a quantitative assessment of chemotherapy-induced Neuropathy, allowing a better and informed decision.
- Follow-up: for patient management, longitudinal treatment follow-up and lifestyle interventions
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