ATC Group: R06AA02 Diphenhydramine

The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the pharmaceutical industry.

Position of R06AA02 in the ATC hierarchy

Level Code Title
1 R Respiratory system
2 R06 Antihistamines for systemic use
3 R06A Antihistamines for systemic use
4 R06AA Aminoalkyl ethers
5 R06AA02 Diphenhydramine

Active ingredients in R06AA02

Active Ingredient Description
Diphenhydramine

Diphenhydramine is an ethanolamine-derivative antihistamine. It is an antihistamine with anticholinergic and marked sedative effects. It acts by inhibiting the effects on H1-receptors. Diphenhydramine is effective in reducing sleep onset (i.e., time to fall asleep) and increasing the depth and quality of sleep.

Related product monographs

Title Information Source Document Type  
BELARMIN Syrup Υπουργείο Υγείας (CY) MPI, EU: SmPC
BENYLIN DRY COUGHS Syrup Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC
BENYLIN MUCUS COUGH MAX Oral solution Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC
BIODRAMINA Medicated chewing-gum Medicines Authority (MT) MPI, EU: SmPC
NYTOL ONE-A-NIGHT Tablet Diphenhydramine Health Products Regulatory Authority (IE) MPI, EU: SmPC
UNISOM SLEEPGELS Capsule Medicines and Medical Devices Safety Authority (NZ) MPI, EU: SmPC

Medicines in this ATC group

Croatia (HR)

Cyprus (CY)

Ecuador (EC)

Estonia (EE)

France (FR)

Hong Kong (HK)

Ireland (IE)

Lithuania (LT)

Malta (MT)

Mexico (MX)

New Zealand (NZ)

Nigeria (NG)

Poland (PL)

Singapore (SG)

South Africa (ZA)

Tunisia (TN)

United Kingdom (UK)

Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide.