DRUG NOMENCLATURE

1. DRUG NOMENCLATUE
BY-ABHISHEK KUMAR
ROLL NO-03

2. NOMENCLATURE OF DRUGS
• The term drug nomenclature implies that there are several
names that can be used to identify a drug
• Drugs have three different names;
1. Chemical name
2. Non proprietary name
3. Proprieatry name

3. CHEMICAL NAME
• A chemical name is given when a new chemical entity
(NCE) is developed .
• It is the name given to drug in accordance with rules of
chemical nomenclature established by international union
of pure and applied chemistry.
• It is useful for chemist or technical personnel as it
provides the precise arrangement of atom and atomic
groups in the molecule.

4. CONT…
• It is not used to identify the drug in a clinical or marketing
situation.
• The chemical name is not suitable for use in prescribing.

5. NON PROPRIETARY NAME
• It is a short name given to a drug that is not subjected to
proprietary rights.
• The non proprietary name should always be concise and
meaningful . This is used in discussion and textbook .
• There are 2 classes of non proprietary names;
1. Approved names
2. Official names

6. CONT…
APPROVED NAME: The name is given to drug by bodies
like United Stats Adopted Name Council (USAN) and British
Approved Name (BAN) soon after its introduction.
The name sometimes referred to as a generic name
however this term is used to designate a chemical or
pharmacological class of drugs such as Sulphonamide ,
Penicillin.

7. CONT…
OFFICIAL NAMES: It is the name approved by the National
Pharmacopeia Commission and included in the official
book i.e. Pharmacopeia .
The official must be identical with approved name.

8. PROPRIETARY NAME
• It is the name given to a drug by the pharmaceutical firm
which sells the drug.
• Thus a single drug is sold under many proprietary names
by different firms .
• They are written with capital initial letter and are often
further distinguished by superscript R in circle .
• Clinicians usually described drugs by their proprietary
names.

9. EXAMPLE
PARACETAMOL
• CHEMICAL NAME: N-(4-hydroxyphenyl)acetamide.
• NON PROPRIETARY NAME:
Approved name: British Approved Name (BAN):Paracetamol
United States Approved Name (USAN): Acetamorphine
OFFICIAL NAME: Acetamorphine
• PROPRIETARY NAME: Pandol , Calpol Adol

10. ASPIRIN
• CHEMICAL NAME: Acetyl salicylic acid
• NON PROPRIEATRY NAME OR GENRIC NAME :
Aspirin
• PROPRIETARY NAME: Dispirin

11. THANKS!!!!