Nicotinic acid deficiency

external

• Synonyms

  • Pellagra
  • Niacin deficiency
  • Nicotinamide deficiency

• Causes

  • Maize
  • Carcinoid tumour
  • Isoniazid
  • Hartnup disease

• Effects

  • Diarrhoea
  • Dermatitis
  • Early onset dementia
  • Photosensitivity
  • Physiological tremor
  • Nystagmus
  • Casal necklace
  • Depression
  • Vitamin deficiency neuropathy
  • Glossitis
  • Anorexia
  • Low urinary N-methylnicotinamide
  • Insomnia

• Parents

  • Vitamin deficiency