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European Journal of Pediatrics

, Volume 153, Issue 5, pp 344–346 | Cite as

Chronic fatigue: A peculiar evolution of Eosinophilia Myalgia Syndrome following treatment withl-tryptophan in four Italian adolescents

  • R. Priori
  • F. Conti
  • F. L. Luan
  • C. Arpino
  • G. Valesini
Original Paper

Abstract

We describe four Italian adolescents in whom a persistent, debilitating fatigue appeared after therapeutic ingestion of products containingl-tryptophan and subsequent to the development of a transient rise in eosinophil count and severe myalgia (Eosinophilia Myalgia Syndrome-EMS). Their clinical picture was indistinguishable from that of the socalled Chronic Fatigue Syndrome. A chronic fatigue may occur after diverse triggering agents and it represents the peculiar clinical evolution of these four paediatric cases of EMS.

Key words

Eosinophilia Myalgia Syndrome Chronic Fatigue Syndrome l-Tryptophan Serotonin 

Abbreviations

CFS

Chronic Fatigue Syndrome

EMS

Eosinophilia Myalgia Syndrome

ANA

antinuclear antibodies

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Copyright information

© Springer-Verlag 1994

Authors and Affiliations

  • R. Priori
    • 1
  • F. Conti
    • 1
  • F. L. Luan
    • 1
  • C. Arpino
    • 1
  • G. Valesini
    • 2
  1. 1.Istituto di Clinica Medica IUniversità “La Sapienza”RomaItaly
  2. 2.Laboratorio di Epidemiologia e BiostatisticaIstituto Superiore di SanitàRomaItaly

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