Diphenhydramine

Generic Name
Diphenhydramine
Brand Names
Acetadryl, Advil PM, Aleve PM, Allegra Cooling Relief Anti-itch, Banophen, Benadryl, Benadryl Itch Stopping, Benadryl-D Allergy and Sinus, Calagel, Damylin With Codeine, Dimetapp Nighttime Cold & Congestion, Diphen, Diphenhist, Diphenist, Excedrin PM Triple Action, Goody's PM, Legatrin PM, Motrin PM, Nytol, Nytol Quickgels, Percogesic Reformulated Jan 2011, Siladryl, Simply Sleep, Sleepinal, Sominex, Triaminic Night Time Cold & Cough, Tylenol PM, Unisom, Unisom Sleep, Vanamine, Wal-dryl, Wal-som (doxylamine), Zzzquil
Drug Type
Small Molecule
Chemical Formula
C17H21NO
CAS Number
58-73-1
Unique Ingredient Identifier
8GTS82S83M
Background

Diphenhydramine - perhaps known most commonly as its brand name formulation Benadryl - is a first-generation H1 receptor antihistamine that is used extensively for the treatment of seasonal allergies, insect bites and stings, and rashes . However, it also has antiemetic, antitussive, hypnotic, and antiparkinson properties . As histamine receptors exist both ...

Indication

Diphenhydramine is a first-generation histamine H1 receptor antagonist (H1 antihistamine) that is widely available as a non-prescription, over-the-counter (OTC) medication. As an OTC medication, diphenhydramine is typically formulated as tablets and creams indicated for use in treating sneezing, runny nose, itchy/watery eyes, itching of nose or throat, insom...

Associated Conditions
Allergic Reaction, Allergic Rhinitis (AR), Allergic cough, Allergy to Tree Pollen, Anaphylaxis, Angioedema, Common Cold, Conjunctival irritation, Cough, Cough Variant Asthma, Cough caused by Common Cold, Eye allergy, Fever, Insect Bites, Insect Stings, Insomnia, Irritative cough, Itching of the nose, Itching of the throat, Motion Sickness, Nasal Congestion, Oral Mucositis, Pain, Parkinsonian Syndromes, Productive cough, Pruritus, Rash, Rhinorrhoea, Sinus Congestion, Sinus headache, Skin Irritation, Sneezing, Sunburn, Symptoms of Acute Bronchitis Accompanied by Coughing, Upper respiratory tract hypersensitivity reaction, site unspecified, Urticaria, Cold or flu syndrome, Dermatographism, Dry cough, Watery itchy eyes
Associated Therapies
Airway secretion clearance therapy, Expectorant

A Study to Evaluate the Safety of Rituximab Retreatment in Subjects With Systemic Lupus Erythematosus

First Posted Date
2005-08-30
Last Posted Date
2019-08-20
Lead Sponsor
Genentech, Inc.
Target Recruit Count
262
Registration Number
NCT00137969
Locations
🇺🇸

Univ of Calif., Los Angeles; Rheumatology, Los Angeles, California, United States

🇺🇸

Cedars-Sinai Medical Center, Los Angeles, California, United States

🇺🇸

Emory Uni ; Division of Rheumatology, Atlanta, Georgia, United States

and more 62 locations

BMS 247550 to Treat Kidney Cancer

First Posted Date
2002-02-21
Last Posted Date
2012-08-20
Lead Sponsor
National Cancer Institute (NCI)
Target Recruit Count
102
Registration Number
NCT00030992
Locations
🇺🇸

National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States

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