Chemical formula: C₃₈H₇₂N₂O₁₂  Molecular mass: 748.985 g/mol  PubChem compound: 447043

Active ingredient description

Azithromycin is a macrolide antibiotic belonging to the azalide group. The molecule is constructed by adding a nitrogen atom to the lactone ring of erythromycin A. The mechanism of action of azithromycin is based upon the suppression of bacterial protein synthesis by means of binding to the ribosomal 50S sub-unit and inhibition of peptide translocation.

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
J01FA10 Azithromycin J Antiinfectives for systemic use → J01 Antibacterials for systemic use → J01F Macrolides, lincosamides and streptogramins → J01FA Macrolides
Discover more medicines within J01FA10
S01AA26 Azithromycin S Sensory organs → S01 Ophthalmologicals → S01A Antiinfectives → S01AA Antibiotics
Discover more medicines within S01AA26

Product monographs

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

Title Information Source Document Type  
ZITHROMAX Capsule, hard Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC
ZEDBAC Powder for solution for infusion Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC

2D molecular structure

2D representation of the active ingredient's molecular structure

3D molecular structure

3D representation of the active ingredient's molecular structure

External identifiers

CAS Substance: 83905-01-5
DrugBank Drug: DB00207
PubChem Compound: 447043
RxNorm Ingredient: 18631
SNOMED-CT Concept: 387531004
Azithromycin (substance)
UNII Identifier: F94OW58Y8V


Azithromycin is an active ingredient of these brands:

United States (US)

Albania (AL)

Australia (AU)

Austria (AT)

Brazil (BR)

Canada (CA)

Croatia (HR)

Cyprus (CY)

Ecuador (EC)

Estonia (EE)

Finland (FI)

France (FR)

Germany (DE)

Hong Kong (HK)

Ireland (IE)

Israel (IL)

Italy (IT)

Japan (JP)

Lithuania (LT)

Malta (MT)

Mexico (MX)

Netherlands (NL)

New Zealand (NZ)

Nigeria (NG)

Poland (PL)

Romania (RO)

Singapore (SG)

South Africa (ZA)

Spain (ES)

Tunisia (TN)

Turkey (TR)

United Kingdom (UK)

Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide.

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