<unk>  is a medical condition characterised by severe, 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 or asking for directions.  The redness can take several minutes to dissipate leaving the sufferer feeling exposed and embarrassed.
Sufferers will often seek careers which do not ordinarily bring them into contact with others, especially the general public, and may have problems with relationships.  Consuming excessive quantities of alcohol in order to, "speak your mind", or alleviate the anxiety caused by the condition is common.
A link is frequently described between<unk>  and Social Anxiety Disorder.
Other symptoms include excessive sweating on the palms, feet and under-arm areas.
Idiopathic craniofacial erythema
Ichthyosis bullosa of Siemens
Phytophotodermatitis
Herpetic sycosis
Tinea capitis
Ichthyosis vulgaris
Granuloma faciale
Balanitis xerotica obliterans