Erythromycin

DB00199ApprovedInvestigationalVet approvedSmall moleculeAnti-Bacterial AgentsMacrolide AntimicrobialMacrolides

Erythromycin is a macrolide antibiotic used to treat and prevent a variety of bacterial infections. Erythromycin is a bacteriostatic antibiotic drug produced by a strain of Saccharopolyspora erythraea (formerly Streptomyces erythraeus) and belongs to the macrolide group of antibiotics which consists of Azithromycin, Clarithromycin, Spiramycin and others.

Chemical structure of Erythromycin
Mechanism
Curator reviewed · 6 references
Primary indication
Erythromycin is indicated in the treatment of infections caused by susceptible strains of various bacteria.Curator reviewed · 45 structured indications
Formula / weight
C37H67NO13 · 733.9268 g/mol (avg)
First approval
Canada, 1997 · United States, 1964
Also known as
Abomacetin · Erythromycin A · Erythromycin C
Code names
NSC-55929
Brand names
  • Aktipak
  • Apo-Erythro-S
  • Benzamycin
  • E.E.S.
  • Ery
  • Ery-tab
  • Eryped
  • Erythro
  • Erythrocin
  • Erythrocin Stearate

Resolves to

Structure
InChIKeyULGZDMOVFRHVEP-RWJQBGPGSA-NSMILESCC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)C[C@@H]([C@H]2O)N(C)C)[C@](C)(O)C[C@@H](C)C(=O)[C@H](C)[C@@H](O)[C@]1(C)O

What you can answer from here — as of September 23, 2026

3Protein targetsEach mapped to UniProt, with action and pharmacological action
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6TransportersSubstrate / inhibitor direction, not just membership
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1,610Drug interactionsStructured to mechanism, not free text
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83Clinical trialsPhase, status and sponsor resolved per trial
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45Structured indicationsCondition, population, route and combination as fields, not prose
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10ContraindicationsEach with its own population and attribute set
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706Marketed productsAcross 11 countries and 261 labellers
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4ATC codesIncluding every combination product, plus 43 drug categories
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74+ReferencesStructured and connected to the statements they support
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Which drugs share a target with Erythromycin, and which of those have an active Phase 3 trial?

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