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Vitamin A deficiency

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Vitamin A deficiency results in atrophy and keratinisation of epithelium, leading to:

  • dry skin and hair
  • increased incidence of ear, sinus, respiratory, urinary, and digestive infection
  • inability to gain weight
  • drying of the cornea with ulceration - xerophthalmia
  • nervous disorders
  • skin sores

There may be night blindness or decreased ability for dark adaption.

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