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Drugs producing vitamin deficiencies

A S Montenero

    Acta Vitaminologica Et Enzymologica
    |January 1, 1980
    PubMed
    Summary

    Many common medications can cause vitamin deficiencies through various mechanisms, affecting all vitamins. Diagnosis and study methods for drug-induced deficiencies are similar to general vitamin depletions.

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    Area of Science:

    • Pharmacology
    • Nutritional Science
    • Clinical Medicine

    Background:

    • Numerous therapeutic drug classes are associated with inducing vitamin deficiencies.
    • Drug-induced vitamin depletion can occur via multiple mechanisms, affecting any vitamin.
    • Examples include competition for protein binding sites and disruption of vitamin synthesis.

    Purpose of the Study:

    • To review the mechanisms and scope of drug-induced vitamin deficiencies.
    • To highlight common drug classes and specific vitamins affected.
    • To discuss diagnostic approaches for these deficiencies.

    Main Methods:

    • Literature review of drug-induced vitamin deficiencies.
    • Analysis of proposed mechanisms of vitamin depletion.
    • Comparison of diagnostic criteria for drug-induced versus general avitaminoses.

    Main Results:

    • A wide array of drugs, including analgesics, antibiotics, and diuretics, can cause vitamin deficiencies.
    • Mechanisms include direct interference with vitamin absorption, metabolism, or synthesis.
    • Some drugs, like salicylate, can induce multiple vitamin deficiencies (e.g., C, K, pantothenate).

    Conclusions:

    • Drug-induced vitamin deficiencies are a significant clinical concern across many drug classes.
    • Understanding the mechanisms is crucial for diagnosis and management.
    • Further research is needed for specific cases, such as high-dose nicotinic acid effects.

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