Guidelines for ATC classification and DDD assignment - WHOCC

R01B NASAL DECONGESTANTS FOR SYSTEMIC USE
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This group comprises preparations for systemic use in vasomotoric or
allergic rhinitis etc., excl. plain antihistamines (see R06).
Combinations with antihistamines are classified in this group.
The DDDs are based on the treatment of rhinitis.
R01BA Sympathomimetics
R02 THROAT PREPARATIONS
R02A THROAT PREPARATIONS
Throat preparations and mouth preparations are classified in the groups
R02 and A01 according to assumed main therapeutic use. Preparations
used in common minor infections of mouth and throat are classified in
R02, while preparations used in gingivitis, stomatitis etc. are classified
in A01 - Stomatological preparations.
Expectorants administered as tablets are classified in R05 - Cough and
cold preparations.
R02AA Antiseptics
The DDDs are based on the treatment of common minor infections
of mouth and throat. For combination products, DDDs are given as
fixed doses of 6 UD (6 tablets).
See also A01AB - Antiinfectives and antiseptics for local oral treatment.
At each 5th level combinations with anesthetics are allowed.
The combination dichlorobenzyl alcohol and amyl-m-cresol is classified
in R02AA03.
R02AB Antibiotics
See also A01AB - Antiinfectives and antiseptics for local oral treatment.
At each 5th level combinations with anesthetics and/or steroids are allowed.