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Pelagra - All Information

Nombres alternativos

Deficiencia de niacina; Deficiencia de vitamina B3

Definición:

Es una enfermedad que se presenta cuando una persona no obtiene suficiente niacina (una de las vitaminas del complejo B) o triptófano (un aminoácido).

Causas, incidencia y factores de riesgo:

La causa del pelagra es el hecho de tener muy poca niacina o triptófano en la alimentación y también puede ocurrir si el cuerpo no logra absorber estos nutrientes. Se puede presentar después de enfermedades gastrointestinales o con el alcoholismo.

Esta enfermedad es común en partes del mundo donde las personas consumen mucho maíz en su dieta.

Síntomas:

Los síntomas del pelagra abarcan:

  • Delirios
  • Diarrea
  • Membranas mucosas inflamadas
  • Confusión mental
  • Úlceras cutáneas descamativas
  • Reviewed last on: 10/28/2010
  • Linda Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

So YT, Simon RP. Deficiency diseases of the nervous system. In: Bradley WG, Daroff RB, Fenichel GM, Jankovic J, eds. Neurology in Clinical Practice. 5th ed. Philadelphia, Pa: Butterworth-Heinemann;2008:chap 61.

Kumar N. Neurologic presentation of nutritional deficiencies. Neurol Clin. 2010;28:107-170.

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