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Hydroxyzine Hydrochloride

CHEMBL3186993 Phase 4 Aprovado Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
447.8 g/mol
LogP
—
Phase
4

This hydrochloride salt of hydroxyzine is the oral tablet and syrup form used to relieve anxiety, allergic itching, and tension. It has sedating effects through antihistamine and anticholinergic actions, making it useful for short-term anxiety management and preoperative sedation. It is considered non-habit-forming compared to many other anxiolytics.

Peso Molecular

447,8000 g/mol

TPSA

35,90 Ų

Áreas Terapêuticas

Ovarian Cancer Pain Management Non-Small Cell Lung Cancer Asthma Migraine Schizophrenia Generalized Anxiety Disorder Oncology Multiple Sclerosis Type 2 Diabetes Major Depressive Disorder Breast Cancer Atopic Dermatitis Chronic Pain Colorectal Cancer

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

SVG PNG

Cite this structure


                        

                            
                            
                        

                    

                


                
                

                    

                    

                        
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SMILES

                    
Cl.Cl.OCCOCCN1CCN(C(c2ccccc2)c2ccc(Cl)cc2)CC1

                

                

                
                

                    
InChI

                    
InChI=1S/C21H27ClN2O2.2ClH/c22-20-8-6-19(7-9-20)21(18-4-2-1-3-5-18)24-12-10-23(11-13-24)14-16-26-17-15-25;;/h1-9,21,25H,10-17H2;2*1H

                

                

                

                    
                    

                        
Molecular Formula

                        
C21H29Cl3N2O2

                    

                    
                    

                        
HBD / HBA

                        
3 / 4

                    

                    
                    

                        
Ligações Rotacionáveis

                        
8

                    

                    
                    
                    

                        
Átomos Pesados

                        
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.

    



                
            


            
            
            

                
Perguntas frequentes

                

                    
                    

                        
                        

                            
This hydrochloride salt of hydroxyzine is the oral tablet and syrup form used to relieve anxiety, allergic itching, and tension. It has sedating effects through antihistamine and anticholinergic actions, making it useful for short-term anxiety management and preoperative sedation. It is considered non-habit-forming compared to many other anxiolytics.

                        

                    

                    

                    

                    
                    

                        
                        

                            
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, Hydroxyzine 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

    
    
        
        
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                ChEMBL — European Bioinformatics Institute (EBI).
                CHEMBL3186993.
                Open-access bioactivity database.
            
        
    • 
        
        
        
  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 91513.
                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.