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Instability of nitroglycerin tablets.

G A Mayer

    Canadian Medical Association Journal
    |April 6, 1974
    PubMed
    Summary
    This summary is machine-generated.

    Proper storage is crucial for maintaining nitroglycerin tablet potency. Storing nitroglycerin in a refrigerator in tightly capped amber bottles and limiting bottle opening preserves the medication for 3-5 months.

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    Area of Science:

    • Pharmacology
    • Pharmaceutical Science

    Background:

    • Nitroglycerin is a volatile medication prone to evaporation.
    • Improper storage significantly reduces nitroglycerin's therapeutic efficacy.

    Purpose of the Study:

    • To determine optimal storage conditions for nitroglycerin tablets.
    • To establish guidelines for maintaining nitroglycerin potency.

    Main Methods:

    • Comparative analysis of nitroglycerin tablet stability under various storage conditions.
    • Assessment of potency degradation based on storage duration and environmental factors.

    Main Results:

    • Refrigerated, tightly capped amber bottles preserve nitroglycerin potency for 3-5 months with weekly opening.
    • Tablets stored in pill boxes deteriorate within a week.

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  • Materials like cotton, plastic, or paper, and frequent bottle opening accelerate nitroglycerin degradation.

    • Conclusions:

    • Strict adherence to recommended storage protocols is essential for nitroglycerin efficacy.
    • Healthcare providers and manufacturers must educate patients on proper nitroglycerin storage to prevent premature deterioration.