Skip to Content

Diphenhydramine

In the US, Diphenhydramine (diphenhydramine systemic) is a member of the following drug classes: anticholinergic antiemetics, anticholinergic antiparkinson agents, antihistamines, miscellaneous anxiolytics, sedatives and hypnotics and is used to treat Allergic Reactions, Allergic Rhinitis, Cold Symptoms, Cough, Extrapyramidal Reaction, Insomnia, Motion Sickness, Nausea/Vomiting, Pruritus and Urticaria.

US matches:

UK matches:

Scheme

Rec.INN

ATC (Anatomical Therapeutic Chemical Classification)

D04AA32,R06AA02

CAS registry number (Chemical Abstracts Service)

0000058-73-1

Chemical Formula

C17-H21-N-O

Molecular Weight

255

Therapeutic Categories

Antiemetic agent

Sedative agent

Histamine H₁-receptor antagonist (H₁-antihistaminic)

Chemical Name

2-Benzhydryloxyetyldimetylamine (BAN)

Foreign Names

  • Diphenhydraminum (Latin)
  • Diphenhydramin (German)
  • Diphénhydramine (French)
  • Difenhidramina (Spanish)

Generic Names

Brand Names

International Drug Name Search

Glossary

TermDefinition
BANBritish Approved Name
BANMBritish Approved Name (Modified)
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)

Click for further information on drug naming conventions and International Nonproprietary Names.

Important Notice: The Drugs.com international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Hide