• Niacin deficiency causes Pellagra,i.e rough skin
  • The cardinal manifestations of pellagra are referred to as 3D’S

1.Dermatitis

2.Diarrhoea

3.Dementia

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  • Anaemia & hypoproteinemia are more common in pellagra

  • ORAL FINDINGS OF PELLAGRA
  • 1.Bald tongue of sandwith
  • 2.Raw beefy tongue
  • 3.The mucosa becomes fierry red and painful
  • 4.Profuse salivation

  • Chronic alcoholics are at high risk of developing pellagra because in addition to dietary deficiency, niacin absorption is impaired in them

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