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  • Presentation

Introduction to Erythromelalgia: Symptoms, Diagnosis, and Impact

Description

The talk introduces erythromelalgia, a rare syndrome marked by intermittent red, hot, painful extremities, most often the feet and hands, and sometimes the ears, nose, or face. The speaker reviews its history, noting the original description by Weir Mitchell and the long-standing debate over the terms erythromelalgia versus erythermalgia. Clinical episodes may be symmetric or asymmetric, and between flares the skin may appear normal, blue and cold (acrocyanosis), or even resemble Raynaud’s phenomenon. Patients often self-diagnose because the symptoms are so distinctive, but diagnosis is confirmed by the characteristic red, hot, painful episodes, ideally documented with photographs taken during symptoms. Common behaviors used for relief include soaking in cold water, using ice, or sitting in front of fans, which can lead to serious complications such as immersion foot, skin breakdown, ulcers, and major functional impairment. The condition can severely affect quality of life, limiting walking, exercise, work, driving, and independence, and in extreme cases contributing to suicidality. The speaker estimates incidence and prevalence from population data and explains that the course is variable: some patients worsen, some improve, and some remain stable over time. Evaluation includes looking for secondary causes such as myeloproliferative disease, where aspirin can dramatically improve symptoms, and assessing for neuropathy, especially small fiber dysfunction, which is common and can be detected with autonomic and sensory testing. Support groups can be helpful but may also be misleading because the most severe cases are often overrepresented. The session ends by transitioning to discussions of adult and pediatric management.

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Conclusions

  • Erythromelalgia is a distinctive but often underrecognized syndrome marked by episodic red, hot, painful extremities, most commonly the feet and sometimes the hands or other acral areas.
  • A careful history and photographs taken during flares are central to diagnosis because the physical examination may be normal between episodes.
  • The condition can affect both adults and children, so it should not be considered an exclusively adult disorder.
  • Many patients develop maladaptive cooling behaviors such as frequent ice-water immersion or fans, which may temporarily relieve symptoms but can cause serious complications like immersion foot, maceration, ulcers, and functional injury.
  • Erythromelalgia can profoundly impair quality of life, limiting walking, standing, exercise, driving, work, and in severe cases leading to wheelchair use or being bedbound.
  • The disorder appears uncommon but not exceedingly rare, with an estimated prevalence in the low tens per 100,000 and a strong female predominance.
  • Natural history is variable: over time about a third of patients worsen, a third improve, and a third remain stable, while complete remission is uncommon.
  • Overall survival is only slightly reduced, but severe symptom burden and psychiatric distress, including suicide risk, make the disease potentially life-altering and dangerous.
  • A small subset of patients have an associated myeloproliferative disorder, and in those cases aspirin can produce dramatic symptom relief.
  • The research suggests erythromelalgia is strongly linked to neuropathic dysfunction, especially small-fiber abnormalities, and many patients also show large-fiber neuropathy.
  • Routine evaluation should consider hematologic and metabolic causes, but specialized vascular and neurologic testing can help characterize the disorder and its comorbidities.
  • Patient support communities can be helpful, but they may also amplify pessimism or confusion because severe cases are more likely to be overrepresented.
  • Davis MP, O’Fallon WM, Rogers RS 3rd, Rooke TW. Natural History of Erythromelalgia: Presentation and Outcome in 168 Patients. Arch Dermatol. 2000;136:323-330.#10.1001/archderm.136.3.330
  • Cook-Norris RH, Tolleson MM, Cruz-Inigo AE, Sandroni P, Davis MDP, Davis DMR. Pediatric erythromelalgia: A retrospective review of 32 cases evaluated at Mayo Clinic over a 37-year period.#10.1016/j.jaad.2011.01.010
  • Immersion foot associated with the overuse of ice, cold water, and fans: A distinctive clinical presentation complicating the syndrome of erythromelalgia. J Am Acad Dermatol. July 2013.#10.1016/j.jaad.2013.02.021
  • The American Journal of the Medical Sciences, for July 1878. A rare vasomotor neurosis of the extremities.
  • Erythromelalgia: Diagnosis and treatment of adult and pediatric patients. AAD Annual Meeting session U054.