Amitriptyline

Also known as: Amitriptyline hydrochloride

Active ingredient description

Amitriptyline is a tricyclic antidepressant and an analgesic. It prevents the re-uptake, and hence the inactivation of noradrenaline and serotonin at nerve terminals. Reuptake prevention of these monoamine neurotransmitters potentiate their action in the brain. This appears to be associated with the antidepressant activity.

Medicine classification

This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:

ATC code
Group title
Classification
Amitriptyline
N Nervous system → N06 Psychoanaleptics → N06A Antidepressants → N06AA Non-selective monoamine reuptake inhibitors
Discover more medicines within N06AA09

Product monographs

Competent medicine agencies globally have authorized commercialization of this active ingredient according to these medication package inserts (MPIs):

Title
Type
Country
Summary of Product Characteristics (SPC)
UK

Medicines

Amitriptyline is the active ingredient of these drugs:

Drug
Countries

South Africa

Germany South Africa

Germany

Cyprus New Zealand

Brazil Tunisia

Ecuador

Ireland

Spain

Canada France United States

Australia Hong Kong

Australia

France Italy Turkey

South Africa

Austria Estonia South Africa

Germany

South Africa

Hong Kong

Hong Kong Singapore

Finland

Spain

South Africa

Amitriptyline is also found within below combination drugs:

ADEPSIQUE , KLOTRIPTYL , LIMBITROL , NOBRITOL , PERTRIPTYL

Structural formula

Graphic representation of the active ingredient's molecular structure

Chemical formula: C₂₀H₂₃N
Molecular mass: 277.403 g/mol

External identifiers

CAS Substance: 50-48-6
CAS Substance: 549-18-8
DrugBank Drug: DB00321
KEGG Drug: D07448
PubChem Compound: 2160
RxNorm Ingredient: 704
SNOMED-CT Concept: 372726002
Amitriptyline (substance)
UNII Identifier: 1806D8D52K
AMITRIPTYLINE