Erythromelalgia

Erythromelalgia, also known as erythermalgia, is rare condition characterised by burning pain and redness of the extremities

• relapses are episodic, often worse in the summer
• may be primary or secondary to systemic disorders such as diabetes, collagen vascular disorders, or myeloproliferative disorders such as polycythemia vera or essential thrombocytosis (1)
• may be associated with hypertension

Reference

1. Makkar RP et al. Burning feet syndrome. A clinical review. Aust Fam Physician. 2003 Dec;32(12):1006-9.