ATC code R03
therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System: Drugs for obstructive airway diseases
ATC code R03 Drugs for obstructive airway diseases is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System, a system of alphanumeric codes developed by the World Health Organization (WHO) for the classification of drugs and other medical products. Subgroup R03 is part of the anatomical group R Respiratory system.
Codes for veterinary use (ATCvet codes) can be created by placing the letter Q in front of the human ATC code: for example, QR03. ATCvet codes without corresponding human ATC codes are cited with the leading Q in the following list.National versions of the ATC classification may include additional codes not present in this list, which follows the WHO version.
R03A Adrenergics, inhalants
R03AA Alpha- and beta-adrenoreceptor agonists
R03AA01 Epinephrine
R03AB Non-selective beta-adrenoreceptor agonists
R03AB02 Isoprenaline
R03AB03 Orciprenaline
R03AC Selective beta-2-adrenoreceptor agonists
R03AC02 Salbutamol
R03AC03 Terbutaline
R03AC04 Fenoterol
R03AC05 Rimiterol
R03AC06 Hexoprenaline
R03AC07 Isoetarine
R03AC08 Pirbuterol
R03AC09 Tretoquinol
R03AC10 Carbuterol
R03AC11 Tulobuterol
R03AC12 Salmeterol
R03AC13 Formoterol
R03AC14 Clenbuterol
R03AC15 Reproterol
R03AC16 Procaterol
R03AC17 Bitolterol
R03AC18 Indacaterol
R03AC19 Olodaterol
R03AH Combinations of adrenergics
R03AK Adrenergics in combination with corticosteroids or other drugs, excl. anticholinergics
R03AK01 Epinephrine and other drugs for obstructive airway diseases
R03AK02 Isoprenaline and other drugs for obstructive airway diseases
R03AK04 Salbutamol and sodium cromoglicate
R03AK05 Reproterol and sodium cromoglicate
R03AK06 Salmeterol and fluticasone
R03AK07 Budesonide and formoterol
R03AK08 Formoterol and beclometasone
R03AK09 Formoterol and mometasone
R03AK10 Vilanterol and fluticasone furoate
R03AK11 Formoterol and fluticasone
R03AK12 Salmeterol and budesonide
R03AK13 Salbutamol and beclometasone
R03AK14 Indacaterol and mometasone
R03AK15 Salbutamol and budesonide
R03AL Adrenergics in combinations with anticholinergics incl.
Begin with the source’s own compact description: “ATC code R03” is therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System: Drugs for obstructive airway diseases. The dossier treats that line as a proposition to test through code, therapeutic and subgroup, not as a finished interpretation.
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The phrase “therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System: Drugs for obstructive airway diseases” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Dec 22, 2025. The linked authority identifier is Q434269.
Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “ATC code R03” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.