Levocetirizine Dihydrochloride

CHEMBL1201190 Phase 4 Aprovado Small molecule
Half-Life
Bioavailability
Protein Binding
Molecular Weight
461.8 g/mol
LogP
Phase
4

The dihydrochloride salt form of levocetirizine, the most commonly marketed preparation of this antihistamine. It shares the same H1-blocking mechanism as the parent compound.

Peso Molecular

461,8000 g/mol

TPSA

53,00 Ų

Áreas Terapêuticas

Mecanismo de Ação

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)

Mecanismo

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.

Estrutura 2D

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SMILES

Cl.Cl.O=C(O)COCCN1CCN([C@H](c2ccccc2)c2ccc(Cl)cc2)CC1

InChI

InChI=1S/C21H25ClN2O3.2ClH/c22-19-8-6-18(7-9-19)21(17-4-2-1-3-5-17)24-12-10-23(11-13-24)14-15-27-16-20(25)26;;/h1-9,21H,10-16H2,(H,25,26);2*1H/t21-;;/m1../s1

Molecular Formula

C21H27Cl3N2O3

HBD / HBA

3 / 5

Ligações Rotacionáveis

8

Átomos Pesados

29

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.

Perguntas frequentes

The dihydrochloride salt form of levocetirizine, the most commonly marketed preparation of this antihistamine. It shares the same H1-blocking mechanism as the parent compound.

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, Levocetirizine Dihydrochloride 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). CHEMBL1201190. Open-access bioactivity database.
  • PubChem — National Center for Biotechnology Information (NCBI). CID 9955977. Chemical information database.

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

Aviso Médico

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.