What is erythromelalgia?

By William Aird

A vasomotor disturbance characterized by periodic attacks with triad of increased temperature, erythema, and burning pain resulting from hyperperfusion of skin areas, especially in the feet and hand. Typically relieved by cooling and aggravated by warming. May be primary or secondary. Causes of secondary erythromelalgia include polycythemia vera and essential thrombocythemia.

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