- An international nonproprietary name (INN) is an official generic and non-proprietary name given to a pharmaceutical drug or an active ingredient. INNs are intended to make communication more precise by providing a unique standard name for each active ingredient, to avoid prescribing errors. 
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Jul 17, 2019 · All pharmaceutical drugs have multiple names. This includes a scientific name, which for small molecule drugs follows International Union of Pure and Applied Chemistry conventions. Because these names are often long and complicated, a simpler non-proprietary or generic name is also selected. These names must go through an approval process to ensure that they are not confusingly similar to other drug names and that particular ‘stems’ are used to name similar chemical compounds.
Sep 12, 2013 · Thus, paracetamol/acetaminophen is the non-proprietary name (generic name) while Crocin/Metacin/Meftal/Tylenol etc. are brand names. It is a well-known fact that generic drugs are “drugs that are usually intended to be interchangeable with an innovator product that is manufactured without a license from the innovator company and marketed after the expiry date of the patent or other exclusive rights” (WHO, 2013b ).
- Karan B. Thakkar, Gauri Billa
- N-(4- hydroxy phenyl) acetamide
For combination drug products—those with two or more drugs combined into a single dosage form—single nonproprietary names beginning with "co-" exist in both British Approved Name (BAN) form and in a formerly maintained USP name called the pharmacy equivalent name (PEN). Otherwise the two names are simply both given, joined by hyphens or slashes.
Overview of Generic Naming. The assignment of generic names to pharmaceuticals in development is an important prerequisite to marketing a drug. The United States Adopted Names (USAN) Program, which assigns generic (nonproprietary) names to all active drug ingredients in the United States, is the result of a long-time partnership between the American Medical Association (AMA), the United States Pharmacopeial Convention (USP), and the American Pharmacists Association (APhA).
- Gail B Karet