United States Adopted Names

Apply for a United States Adopted Name

Download the application form to apply for a United States Adopted Name (USAN).

United States Adopted Names

Pronunciation guide

See a guide to facilitate the pronunciation of drug names adopted by USAN.

United States Adopted Names

Approved Hydrophobic names

Read the list of approved names for contact lens materials with water content less than 10%.

United States Adopted Names

USAN application forms

Find forms for base and modified forms of a compound, for single entity, modified salt form, revision to an adopted USAN, contact lens materials and biologics.

United States Adopted Names

United States Adopted Names approved stems

Review a list of USAN Council-approved stems and which chemical and/or pharmacologic parameters have been established.

United States Adopted Names

United States Adopted Names naming guidelines

See naming guidelines the USAN Council follows when naming a new generic drug.

United States Adopted Names

USAN Council

Learn about the council that is responsible for developing simple, informative generic drug names, who they are, how they operate and the issues they face.

United States Adopted Names

Fusion Protein Nomenclature

Learn more about the use of the “-fusp” suffix in fusion protein nomenclature.

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