Idiopathic craniofacial erythema
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Idiopathic craniofacial erythema is a medical condition characterized by uncontrollable and frequently unprovoked facial blushing.
Blushing can occur at any time and is frequently triggered by even mundane events, such as talking to friends, paying for goods in a shop, asking for directions or even simply making eye contact with another person.
This medical condition characterized by severe, frequent and uncontrollable reddening of the face, which is often unprovoked. It is unknown why people are afflicted with this condition, but it is appears to be the result of an overactive sympathetic nervous system, an automatic response which sufferers have no mental control over. It is related to focal hyperhidrosis, more commonly known as excessive sweating, as it is caused by the same overactive nerves which cause excessive sweating. Sufferers of severe facial blushing commonly experience focal hyperhidrosis. Studies have also shown that patients with severe facial blushing or focal hyperhidrosis commonly have family members with one or both of the related disorders.[citation needed]
