A condition in which the ?ngers or toes, or even larger portions of the limbs, become purple and bloated in appearance, and very painful. In people suffering from the condition – which is not a common one – the attacks come and go, being worse in summer (unlike chilblains), and worse on exertion or when the affected parts are warmed or allowed to hang down. The condition may appear without apparent cause, but is often associated with vascular diseases, such as HYPERTENSION and POLYCYTHAEMIA VERA. It aso occurs in association with certain diseases of the central nervous system, and in cases of metallic poisoning
(e.g. arsenic, mercury and thallium). Treatment is unsatisfactory but aspirin provides sympomatic relief.
n. painful paroxysmal dilation of the blood vessels of the skin, usually affecting the extremities; the skin feels hot. Some patients may respond to aspirin.
a severe illness of children of the teething age, marked by pink cold clammy hands and feet, heavy sweating, raised blood pressure, rapid pulse, photophobia, loss of appetite, and insomnia. Affected infants are very prone to secondary infection, which may be fatal. It has been suggested that the condition is an allergic reaction to mercury, since it used to occur when teething powders, lotions, and ointments containing mercury were used. Although there is no definite proof of this, the disease has virtually disappeared since all mercury-containing paediatric preparations have been banned. Medical names: acrodynia, erythroedema, erythromelalgia.... pink disease
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