Erythromelalgia is a rare syndrome characterised by recurrent erythema, heat and burning pain in the extremities. There are two types: primary (genetic) and secondary (toxic, drug-related or associated with other diseases). We report a 42-year-old woman who developed erythromelalgia after taking cyclosporine for myasthenia gravis. Although exact mechanism for this rare adverse effect is unclear, it is reversible, and so clinicians should be aware of the association . Additional use of corticosteroids could aggravate cyclosporine’s toxic effects.
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Contributors All authors provided intellectual contribution to this article.
Funding This work is not financially supported by any project or organisations.
Competing interests None declared.
Provenance and peer review Not commissioned. Externally peer reviewed by Mabs Chowdhury, Cardiff, UK, and David Bennett, Oxford, UK.