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Vitamina A - Side Effects

Nombres alternativos

Retinol; Retinal; Carotenoides; Ácido retinoico

Efectos secundarios:

Si usted no recibe suficiente vitamina A, es más propenso a contraer enfermedades infecciosas y tener problemas de visión.

Si usted recibe demasiada vitamina A, puede resultar enfermo. Asimismo, el consumo de grandes dosis de esta vitamina puede causar defectos congénitos.

La intoxicación aguda con vitamina A generalmente ocurre cuando un adulto toma varios cientos de miles de unidades internacionales. Los síntomas de intoxicación crónica con vitamina A pueden ocurrir en adultos que toman regularmente más de 25,000 UI al día. Los bebés y los niños son más sensibles y se pueden enfermar después de tomar dosis más pequeñas de vitamina A o productos que la contengan como el retinol (que se encuentra en las cremas para la piel).

Ver también: hipervitaminosis A.

Las grandes cantidades de betacaroteno no lo van a enfermar; sin embargo, el aumento en las cantidades de éste puede volver la piel de color amarillento o anaranjado. El color de la piel retornará a la normalidad una vez que usted reduzca la ingesta de éste.

  • Reviewed last on: 2/8/2011
  • Alison Evert, MS, RD, CDE, Nutritionist, University of Washington Medical Center Diabetes Care Center, Seattle, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Sarubin Fragaakis A, Thomson C. The Health Professional's Guide to Popular Dietary Supplements. 3rd ed. Chicago, IL: American Dietetic Association, 2007.

Hamrick I, Counts SH. Vitamin and mineral supplements. Wellness and Prevention. December 2008:35(4);729-747.

Mason JB. Vitamins, trace minerals, and other micronutrients. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 237.

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