Factors Affecting Drug Shelf Life: Storage, Packaging, and API Stability
Drug shelf life defines the time a pharmaceutical product maintains its quality, safety, and efficacy under labeled storage conditions. Shelf life is not arbitrary—it is influenced by a combination of environmental, chemical, and formulation-related variables. These include storage temperature and humidity, the stability of the active pharmaceutical ingredient (API), the compatibility of packaging materials, and manufacturing controls. Understanding and optimizing these factors is essential for developing stable formulations and ensuring regulatory compliance across global markets.
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