International Nonproprietary Name

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Overview

An International Nonproprietary Name (INN; also known as rINN, for recommended International Nonproprietary Name) is the official non-proprietary or generic name given to a pharmaceutical substance, as designated by the World Health Organization (WHO). The plethora of named proprietary preparations containing a given substance can lead to confusion about the identity of the active ingredient. INNs facilitate communication by providing a standard name for each substance. A similar role is played in chemistry by IUPAC names; however, these are less suited to common usage, being typically very long and unwieldy. WHO issues INN names in English, Latin, French, Russian, and Spanish; Arabic and Chinese versions, although not included in the original scheme, are now also being issued.

Example

INN:	Paracetamol
British Approved Name (BAN):	Paracetamol
United States Adopted Name (USAN):	Acetaminophen
Other generic names:	N-acetyl-p-aminophenol, APAP, p-Acetamidophenol, Acetamol, ...
Proprietary names:	Tylenol®, Panadol®, Panamax®, Perdolan®, Calpol®, Doliprane®, Tachipirina®, ben-u-ron®,Atasol®, and others
IUPAC name:	N-(4-hydroxyphenyl)-acetamide

See also

• World Health Organization
• IUPAC nomenclature

External links

• INN information from the WHO
• INN stems and modifiers from the WHO (PDF)

cs:Mezinárodní nechráněný název de:International Nonproprietary Namefr:Dénomination commune internationale it:Denominazione comune internazionale hu:Nemzetközi szabadnév (gyógyszer) nl:International Nonproprietary Name no:INN-klassifikasjonth:INN

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Acknowledgement and Attribution Regarding Sources of Content

Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .