Vitamin deficiency and toxicity replacement therapies with their key nursing monitoring and patient teaching points.
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- What eye condition results from vitamin A deficiency?
- Night blindness
- Why is high-dose vitamin A avoided during pregnancy?
- It is teratogenic and can cause birth defects
- Which organ is at risk of damage from vitamin A toxicity?
- The liver (hepatotoxicity)
- Deficiency disease caused by lack of thiamine (vitamin B1)
- Beriberi
- What syndrome results from chronic thiamine deficiency in alcohol use disorder?
- Wernicke-Korsakoff syndrome
- Before giving IV dextrose to a patient with chronic alcohol use disorder, what should the nurse administer first?
- Thiamine
- Deficiency disease caused by lack of niacin (vitamin B3)
- Pellagra
- What common side effect occurs with niacin therapy?
- Flushing of the skin
- What teaching helps reduce niacin-induced flushing?
- Take aspirin or an NSAID about 30 minutes before the niacin dose
- What neurologic symptom results from pyridoxine (vitamin B6) deficiency?
- Peripheral neuropathy
- Which tuberculosis drug requires vitamin B6 supplementation to prevent neuropathy?
- Isoniazid (INH)
- What type of anemia results from folic acid (vitamin B9) deficiency?
- Megaloblastic anemia
- Adequate folic acid intake before and during early pregnancy helps prevent ____.
- neural tube defects
- Which chemotherapy drug is associated with causing folate deficiency?
- Methotrexate
- What is the name of the anemia caused by vitamin B12 deficiency from lack of intrinsic factor?
- Pernicious anemia