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Ch. 28 - Vitamins

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Last update by kmedwards04 on 07/30/2011
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Ch 28 Vitamins
Ch. 28 - Vitamins
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Private Flashcard From Ch. 28 - Vitamins
Question: What is the connection between tuberculosis and vitamin B6 deficiency?
Answer: Isoniazid (isonicotinic acid hydrazide), a drug frequently used to treat tuberculosis, can induce a vitamin B6 deficiency by forming an inactive derivative with pyridoxal phosphate. Dietary supplementation with B6 is, therefore, an adjunct to isoniazid treatment. Otherwise, dietary deficiencies in pyridoxine are rare but have been observed in newborn infants fed formulas low in B6, in women taking oral contraceptives, and in alcoholics.

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