ATC code A: Alimentary tract and metabolism |
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Other ATC codes |
ATC code A Alimentary tract and metabolism is a section 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. [1] [2] [3] [4]
Codes for
veterinary use (
ATCvet codes) can be created by placing the letter Q in front of the human ATC code: for example, QA.
[5]
National issues of the ATC classification may include additional codes not present in this list, which follows the WHO version.
Major chemical drug groups – based upon the
Anatomical Therapeutic Chemical Classification System | |
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gastrointestinal tract / metabolism ( A) | |
blood and blood forming organs ( B) | |
cardiovascular system ( C) | |
skin ( D) | |
genitourinary system ( G) | |
endocrine system ( H) | |
infections and infestations ( J, P, QI) | |
malignant disease ( L01–L02) | |
immune disease ( L03–L04) | |
muscles,
bones, and joints ( M) | |
brain and nervous system ( N) |
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respiratory system ( R) | |
sensory organs ( S) | |
other ATC ( V) | |
Magnesium (increases motility) | |
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Aluminium (decreases motility) | |
Calcium | |
Sodium | |
Combinations and complexes of aluminium, calcium and magnesium |
H2 antagonists ("-tidine") | |
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Prostaglandins (E)/ analogues ("-prost-") | |
Proton-pump inhibitors ("-prazole") | |
Potassium-competitive acid blockers ("-prazan") | |
Others | |
Combinations | |
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Drugs for
functional gastrointestinal disorders (
A03) | |||||||||||||
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Drugs for functional bowel disorders |
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Belladonna and derivatives ( antimuscarinics) |
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Propulsives |
Stool softeners | |
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Stimulant laxatives | |
Bulk-forming laxatives | |
Lubricant laxatives | |
Osmotic laxatives | |
Enemas | |
Opioid antagonists | |
Others |
Rehydration | |
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Intestinal anti-infectives | |
Intestinal adsorbents |
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Antipropulsives ( opioids) |
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Intestinal anti-inflammatory agents |
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Antidiarrheal micro-organisms | |
Other antidiarrheals | |
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Fat soluble |
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Water soluble |
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Combinations | |||||||||
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Major |
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Trace |
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Ultratrace |
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Androgens (incl. AASTooltip anabolic–androgenic steroid) |
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Antiandrogens |
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Amino acids and derivatives | |
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Enzymes |
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Other |