Vitamin deficiency - Misplaced Pages

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Medical condition

Vitamin deficiency
Specialty	Endocrinology

Avitaminosis is any disease caused by chronic or long-term vitamin deficiency or caused by a defect in metabolic conversion, such as tryptophan to niacin . They are designated by the same letter as the vitamin.

Conversely hypervitaminosis is the syndrome of symptoms caused by over-retention of fat-soluble vitamins in the body.

Types

Avitaminoses include:

Vitamin A deficiency causes xerophthalmia or night blindness.
Thiamine deficiency causes beriberi.
Niacin deficiency causes pellagra.
Vitamin B12 deficiency leads to megaloblastic anemia and subacute combined degeneration of spinal cord.
Vitamin C deficiency leads to scurvy.
Vitamin D deficiency causes rickets.
Vitamin K deficiency causes impaired coagulation.

References

Chaine Bénédicte (2012). "Vitamin deficiences". http://www.therapeutique-dermatologique.org/. Retrieved july, 21th 2012. {{cite web}}: Check date values in: |access-date= (help); External link in |website= (help); Unknown parameter |month= ignored (help)
Lee Russell McDowell (2000). Vitamins in Animal and Human Nutrition (2 ed. ed.). Wiley-Blackwell. ISBN 0-8138-2630-6. {{cite book}}: |edition= has extra text (help)
Lydia Fehily (1944). "Human-milk intoxication due to B1 avitaminosis" (PDF). British Medical Journal. 2 (4374): 509-. PMC 2286425. PMID 20785731.

B vitamins	B₁ Beriberi Wernicke–Korsakoff syndrome Wernicke's encephalopathy Korsakoff syndrome B₂ Riboflavin deficiency B₃ Pellagra B₆ Pyridoxine deficiency B₇ Biotin deficiency B₉ Folate deficiency B₁₂ Vitamin B₁₂ deficiency
Other	A: Vitamin A deficiency Bitot's spots C: Scurvy D: Vitamin D deficiency Rickets Osteomalacia Harrison's groove E: Vitamin E deficiency K: Vitamin K deficiency

Mineral deficiency

Electrolyte imbalance
- Calcium
- Chloride
- Magnesium
- Phosphate
- Potassium
- Sodium
Iron
Zinc
Manganese
Copper
Iodine
Chromium
Molybdenum
Selenium
- Keshan disease
Fluorine

Growth

General

Categories:

Types

References

See also