II. Background
- Human body requires more than 40 essential nutrients it cannot synthesize
- Most nutrients are supplied in a typical well-rounded U.S. diet
- However, dietary restrictions (e.g. vegan), disease states and medications can result in deficiencies
- Vitamin Deficiency presentations can have subtle and vague presentations making diagnosis challenging
III. Associated Conditions: B Vitamin Deficiency States
-
Vitamin B1 Deficiency (Thiamine deficiency, Beriberi or Wernicke's Encephalopathy)
- Ataxia, Confusion, Ophthalmoplegia (lateral Gaze Palsy)
-
Vitamin B2 Deficiency (Riboflavin Deficiency)
- Angular Cheilitis, Gingivitis, photophobia
- Vitamin B3 Deficiency (Niacin Deficiency or Pellagra)
- Vitamin B6 Deficiency (Pyridoxine Deficiency)
-
Vitamin B9 Deficiency (Folic Acid Deficiency)
- Macrocytic Anemia (also caused by B12 Deficiency)
- Folic Acid Supplementation in Pregnancy
-
Vitamin B12 Deficiency
- Weakness, Peripheral Neuropathy, Ataxia, Dementia, macroyctic Anemia
- B12 Supplementation in Vegetarians and Vegans, Metformin, Antacids (PPI, H2 Blockers)
IV. Associated Conditions: Other Vitamin Deficiencies
-
Vitamin A Deficiency (Retinol Deficiency)
- Night blindness
- Vitamin C Deficiency (Ascorbic Acid Deficiency or Scurvy)
-
Vitamin D Deficiency
- Children: Rickets
- Adults: Osteoporosis
- Vitamin K Deficiency
V. Associated Conditions: Vitamin Deficiency by underlying predisposition
-
Alcoholism
- See Vitamin Deficiency in Alcoholism
- Vitamin A Deficiency (Retinol Deficiency)
- Vitamin C Deficiency (Scurvy)
- Vitamin B1 Deficiency (Thiamine deficiency, Wernicke's Encephalopathy)
- Vitamin B3 Deficiency (Niacin Deficiency, Pellegra)
- Vitamin B6 Deficiency (Pyridoxine deficiency)
- Vitamin B9 Deficiency (Folic Acid Deficiency)
- Vitamin B12 Deficiency (Cobalamin Deficiency, Pernicious Anemia)
- Celiac Sprue
-
Inflammatory Bowel Disease
- Folate Deficiency
- Vitamin B12 Deficiency
- Fat soluble Vitamin Deficiency
-
Chronic Pancreatitis
- Vitamin B12 Deficiency
- Zinc Deficiency
- Fat soluble Vitamin Deficiency
- References
-
Bariatric Surgery
- Iron Deficiency Anemia
- Vitamin B12 Deficiency
- Folate Deficiency
- Vitamin A Deficiency
- Vitamin D Deficiency
- Vitamin B1 Deficiency (Thiamine deficiency, Wernicke's Encephalopathy)
- Vitamin B6 Deficiency (Pyridoxine deficiency)
- Copper Deficiency
- Zinc Deficiency
- Vegan diet
VI. References
- Rendon et al. (2017) Crit Dec Emerg Med 31(6): 15-21