Topical treatments for erythromelalgia.

Erythromelalgia is a rare neurovascular disease that causes episodes of pain, redness, and warmth in the extremities, and can be debilitating. Currently, there is no universally effective treatment for erythromelalgia. As the precise etiology of erythromelalgia remains obscure, presently available treatments are aimed at alleviating erythromelalgia's wide-ranging symptoms. In general, topical therapies for erythromelalgia are preferred for their more limited side effects and for those with contraindications to systemic therapies. This review will summarize the current topical therapies available to treat erythromelalgia and discuss emerging therapies based on our growing understanding of erythromelalgia pathophysiology.

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