Azelastine Hydrochloride

CHEMBL1200809 Phase 4 Approuvé Small molecule
Half-Life
Bioavailability
Protein Binding
Molecular Weight
418.4 g/mol
LogP
Phase
4

The hydrochloride salt of azelastine, the standard formulation used in nasal sprays and ophthalmic solutions for allergic rhinitis and eye allergies. Local delivery provides targeted relief with low systemic exposure.

Masse moléculaire

418,4000 g/mol

TPSA

35,90 Ų

Aires thérapeutiques

Mécanisme d'action

Competitively blocks histamine H1 receptors on effector cells, preventing histamine-mediated vasodilation, increased vascular permeability, bronchoconstriction, and pruritus. First-generation agents also cross the blood-brain barrier, causing sedation.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

Mécanisme

Competitively blocks histamine H1 receptors on effector cells, preventing histamine-mediated vasodilation, increased vascular permeability, bronchoconstriction, and pruritus. First-generation agents also cross the blood-brain barrier, causing sedation.

Structure 2D

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SMILES

CN1CCCC(n2nc(Cc3ccc(Cl)cc3)c3ccccc3c2=O)CC1.Cl

InChI

InChI=1S/C22H24ClN3O.ClH/c1-25-13-4-5-18(12-14-25)26-22(27)20-7-3-2-6-19(20)21(24-26)15-16-8-10-17(23)11-9-16;/h2-3,6-11,18H,4-5,12-15H2,1H3;1H

Molecular Formula

C22H25Cl2N3O

HBD / HBA

1 / 3

Liaisons Rotatives

3

Atomes Lourds

28

No targets recorded

Target interaction data is not yet available for this drug.

No interactions recorded

Drug interaction data is not yet available for this compound.

No side effects recorded

Side effect data is not yet available for this drug.

Foire aux questions

The hydrochloride salt of azelastine, the standard formulation used in nasal sprays and ophthalmic solutions for allergic rhinitis and eye allergies. Local delivery provides targeted relief with low systemic exposure.

Competitively blocks histamine H1 receptors on effector cells, preventing histamine-mediated vasodilation, increased vascular permeability, bronchoconstriction, and pruritus. First-generation agents also cross the blood-brain barrier, causing sedation.

Yes, Azelastine Hydrochloride is an approved drug. It has reached clinical phase 4. It is classified as a Small molecule.

{# References & Data Sources section for drug detail pages. Renders standard pharmacological database links plus the drug's data_sources field. #}

References & Data Sources

  • ChEMBL — European Bioinformatics Institute (EBI). CHEMBL1200809. Open-access bioactivity database.
  • PubChem — National Center for Biotechnology Information (NCBI). CID 54360. Chemical information database.

Data aggregated from publicly available pharmacological databases. Last updated 2026-03-04.

Avertissement médical

This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making medication decisions.

Data sources: ChEMBL, PubChem, DailyMed.