vitamin A deficiency

Last reviewed 10/2023

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.