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Levocetirizine Dihydrochloride

CHEMBL1201190 Phase 4 Approuvé 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.

Masse moléculaire

461,8000 g/mol

TPSA

53,00 Ų

Aires thérapeutiques

Asthma Breast Cancer Atopic Dermatitis

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

SVG PNG

Cite this structure


                        

                            
                            
                        

                    

                


                
                

                    

                    

                        
Embed this structure

                        

                        

                            
                            
                        

                    

                

                

                
                

                    
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

                    

                    
                    

                        
Liaisons Rotatives

                        
8

                    

                    
                    
                    

                        
Atomes Lourds

                        
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.

    



                
            


            
            
            

                
Foire aux questions

                

                    
                    

                        
                        

                            
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.




        


        
        
    


    



    
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.