Anatomical Therapeutic Chemical Classification System

<p>The Anatomical Therapeutic Chemical (ATC) Classification System is a <a href="/facts/Drug_classification/CegnN5Yr">drug classification</a> system that classifies the <a href="/facts/Active_ingredient/oeDx5S19">active ingredients</a> of <a href="/facts/Drug/FFFUI9n4">drugs</a> according to the <a href="/facts/Organ_(biology)/FUYsLaxz">organ</a> or <a href="/facts/Organ_system/KAWNntR0">system</a> on which they act and their <a href="/facts/Therapy/2ytkGbgT">therapeutic</a>, <a href="/facts/Pharmacology/4Rx8s7Ie">pharmacological</a> and <a href="/facts/Chemical_property/uMVxKspS">chemical</a> properties. Its purpose is an aid to <a href="/facts/Adverse_drug_reaction/Ea0ktF6J">monitor drug use</a> and for <a href="/facts/Drug_development/k34jgV4B">research</a> to improve quality medication use. It does not imply <a href="/facts/Formulary_(pharmacy)/TWXJwSJr">drug recommendation</a> or <a href="/facts/Efficacy/PNlTeDtD">efficacy</a>. It is controlled by the <a href="/facts/World_Health_Organization/YNN3bgug">World Health Organization</a> Collaborating Centre for Drug Statistics Methodology (WHOCC), and was first published in 1976.
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Anatomical Therapeutic Chemical Classification System open-in-new

Anatomical Therapeutic Chemical Classification System