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Nonproprietary Names 


Margaret A. Winker

The INN identifies a specific pharmaceutical substance or active pharmaceutical ingredient. The INN is in the public domain and can be used without restriction. It is sometimes referred to colloquially as the generic name. However, the terms generic and nonproprietary are not synonymous. Generic drugs are nontrademarked formulations of a drug that can be manufactured once a drug is no longer under patent restrictions. Generic drugs should be referred to by their nonproprietary name, just as are proprietary drugs. The INN reflects the chemistry, pharmacologic action, and therapeutic use through its stem. Herbals (see , Herbals and Dietary Supplements), homeopathic

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