U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry ACHIRAL
Molecular Formula 2C19H20N2.C10H8O6S2
Molecular Weight 841.048
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of MEBHYDROLIN NAPADISILATE

SMILES

OS(=O)(=O)C1=CC=CC2=C(C=CC=C12)S(O)(=O)=O.CN3CCC4=C(C3)C5=CC=CC=C5N4CC6=CC=CC=C6.CN7CCC8=C(C7)C9=CC=CC=C9N8CC%10=CC=CC=C%10

InChI

InChIKey=CJUOSBUQOWKEKJ-UHFFFAOYSA-N
InChI=1S/2C19H20N2.C10H8O6S2/c2*1-20-12-11-19-17(14-20)16-9-5-6-10-18(16)21(19)13-15-7-3-2-4-8-15;11-17(12,13)9-5-1-3-7-8(9)4-2-6-10(7)18(14,15)16/h2*2-10H,11-14H2,1H3;1-6H,(H,11,12,13)(H,14,15,16)

HIDE SMILES / InChI
Mebhydrolin (INN) or mebhydroline is a histamine H1-receptor antagonist. It is not available in the United States, but it is available in various other countries under the brand names Bexidal and Diazolin. It is used for symptomatic relief of allergic symptoms caused by histamine release, including nasal allergies and allergic dermatosis.

Approval Year

Targets

Targets

Primary TargetPharmacologyConditionPotency
Conditions
Doses

Doses

DosePopulationAdverse events​
100 mg 3 times / day multiple, oral
Recommended
Dose: 100 mg, 3 times / day
Route: oral
Route: multiple
Dose: 100 mg, 3 times / day
Sources:
unhealthy, ADULT
Health Status: unhealthy
Age Group: ADULT
Sex: M+F
Food Status: FED
Sources:
Disc. AE: Itching...
AEs leading to
discontinuation/dose reduction:
Itching (8.3%)
Sources:
AEs

AEs

AESignificanceDosePopulation
Itching 8.3%
Disc. AE
100 mg 3 times / day multiple, oral
Recommended
Dose: 100 mg, 3 times / day
Route: oral
Route: multiple
Dose: 100 mg, 3 times / day
Sources:
unhealthy, ADULT
Health Status: unhealthy
Age Group: ADULT
Sex: M+F
Food Status: FED
Sources:
PubMed

PubMed

TitleDatePubMed
Subcorneal pustular dermatosis: 50 years on.
2008-05
[Indole cleavage with mebhydroline by sodium periodate--part 2. Mechanism of the dilactam formation].
2006-05
Cutaneous reaction to oral antihistamine.
2003-03

Sample Use Guides

Adults and children over 10 years 2-6 tablets daily Children from 5-10 years 2-4 tablets daily Children from 2-5 years 1-3 tablets daily Children up to 2 years 1-2 tablets daily Treatment should be given in several single doses daily.
Route of Administration: Oral
In Vitro Use Guide
Unknown
Name Type Language
MEBHYDROLIN NAPADISILATE
JAN   WHO-DD  
Common Name English
MEBHYDROLINE 1,5-NAPHTHALENEDISULFONATE SALT
MI  
Preferred Name English
MEBHYDROLIN NAPADISILATE [JAN]
Common Name English
Mebhydrolin napadisilate [WHO-DD]
Common Name English
5-BENZYL-1,3,4,5-TETRAHYDRO-2-METHYL-2H-PYRIDO(4,3-B)INDOLE, 1,5-NAPHTHALENEDISULFONATE SALT
Common Name English
MEBHYDROLIN NAPADISYLATE
Common Name English
OMERIL
Brand Name English
DIAZOLINE
Systematic Name English
MEBHYDROLINE 1,5-NAPHTHALENEDISULFONATE SALT [MI]
Common Name English
FABAHISTIN
Brand Name English
Code System Code Type Description
ECHA (EC/EINECS)
228-170-3
Created by admin on Mon Mar 31 19:30:34 GMT 2025 , Edited by admin on Mon Mar 31 19:30:34 GMT 2025
PRIMARY
SMS_ID
100000086162
Created by admin on Mon Mar 31 19:30:34 GMT 2025 , Edited by admin on Mon Mar 31 19:30:34 GMT 2025
PRIMARY
CAS
6153-33-9
Created by admin on Mon Mar 31 19:30:34 GMT 2025 , Edited by admin on Mon Mar 31 19:30:34 GMT 2025
PRIMARY
PUBCHEM
22529
Created by admin on Mon Mar 31 19:30:34 GMT 2025 , Edited by admin on Mon Mar 31 19:30:34 GMT 2025
PRIMARY
ChEMBL
CHEMBL1625607
Created by admin on Mon Mar 31 19:30:34 GMT 2025 , Edited by admin on Mon Mar 31 19:30:34 GMT 2025
PRIMARY
RXCUI
22822
Created by admin on Mon Mar 31 19:30:34 GMT 2025 , Edited by admin on Mon Mar 31 19:30:34 GMT 2025
PRIMARY RxNorm
EPA CompTox
DTXSID3045566
Created by admin on Mon Mar 31 19:30:34 GMT 2025 , Edited by admin on Mon Mar 31 19:30:34 GMT 2025
PRIMARY
MESH
C025079
Created by admin on Mon Mar 31 19:30:34 GMT 2025 , Edited by admin on Mon Mar 31 19:30:34 GMT 2025
PRIMARY
FDA UNII
O5G04RB25M
Created by admin on Mon Mar 31 19:30:34 GMT 2025 , Edited by admin on Mon Mar 31 19:30:34 GMT 2025
PRIMARY
MERCK INDEX
m7109
Created by admin on Mon Mar 31 19:30:34 GMT 2025 , Edited by admin on Mon Mar 31 19:30:34 GMT 2025
PRIMARY Merck Index
EVMPD
SUB03103MIG
Created by admin on Mon Mar 31 19:30:34 GMT 2025 , Edited by admin on Mon Mar 31 19:30:34 GMT 2025
PRIMARY