Abnormal sudomotor regulation

What it means

An abnormal regulation of the sweat glands by the sympathetic nervous system associated with abnormal perspiration.

Normally, the cholinergic innervation via the sympathetic nervous system activates muscarinic acetylcholine receptors in sweat glands, thereby leading to perspiration. This terms refers to an abnormally increased or decreased activity of this system.

Rare diseases that can present with this1

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Sudomotor sympathetic dysfunction