ATC code A

Pharmaceutical drug classification
ATC code A: Alimentary tract and metabolism
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.

References

  1. ^ "ATC (Anatomical Therapeutic Chemical Classification System) – Synopsis". National Institutes of Health. Retrieved 1 February 2020.
  2. ^ World Health Organization. "Anatomical Therapeutic Chemical (ATC) Classification". World Health Organization. Retrieved 3 January 2022.
  3. ^ "Structure and principles". WHO Collaborating Centre for Drug Statistics Methodology. 15 February 2018. Retrieved 3 January 2022.
  4. ^ "ATC/DDD Index 2022: code A". WHO Collaborating Centre for Drug Statistics Methodology.
  5. ^ "ATCvet Index 2022: code QA". WHO Collaborating Centre for Drug Statistics Methodology.
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Major chemical drug groups – based upon the Anatomical Therapeutic Chemical Classification System
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)respiratory
system (R)sensory organs (S)other ATC (V)
  •  Drugs
  • Pharmacological classification systems
  • ATC codes
  •  Medicine portal
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Drugs for peptic ulcer and GERD/GORD (A02B)
H2 antagonists ("-tidine")
Prostaglandins (E)/
analogues ("-prost-")
Proton-pump inhibitors
("-prazole")
Potassium-competitive
acid blockers ("-prazan")
Others
Combinations
  • See also: Helicobacter pylori eradication protocols
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Drugs for
functional
bowel
disorders
Antimuscarinics
Tertiary
amino group
Quaternary
ammonium
compounds
Phosphodiesterase
inhibitors
Acting on
serotonin receptors
Other
Belladonna
and derivatives
(antimuscarinics)
Propulsives
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  • e
5-HT3 serotonin ion
channel antagonists
5-HT serotonin G-protein
receptor antagonists
CB1 agonists
(cannabinoids)
D2/D3 antagonists
H1 antagonists
(antihistamines)
mACh antagonists
(anticholinergics)
NK1 antagonists
Others
  • v
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  • e
Drugs for constipation (laxatives and cathartics) (A06)
Stool softeners
Stimulant laxatives
Bulk-forming laxatives
Lubricant laxatives
Osmotic laxatives
Enemas
Opioid antagonists
Others
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  • e
Rehydration
Intestinal anti-infectives
Intestinal adsorbents
Antipropulsives (opioids)
Intestinal anti-inflammatory agents
Antidiarrheal micro-organisms
Other antidiarrheals
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Stimulants
Amphetamines and
phenethylamines
Adrenergic agonists
Other
Cannabinoid
antagonists
GLP-1, GIP, and / or
glucagon agonists
DACRAs
5-HT2C
receptor agonists
Absorption inhibitors
Uncouplers
Others
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  • e
Oral diabetes medication, insulins and insulin analogs, and other drugs used in diabetes (A10)
fast-acting
short-acting
long-acting
ultra-long-acting
inhalable
  • Exubera
  • Afrezza
Non-insulins
Insulin sensitizers
Biguanides
TZDs/"glitazones" (PPAR)
Dual PPAR agonists
Amylin analogs and DACRAs
Secretagogues
K+ATP
Sulfonylureas
Meglitinides/"glinides"
GLP-1 receptor agonists
GLP1 poly-agonist peptides
DPP-4 inhibitors/"gliptins"
Other
Aldose reductase inhibitors
Alpha-glucosidase inhibitors
SGLT2 inhibitors/"gliflozins"
Other
Combinations
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Fat
soluble
A
D
E
K
  • Naphthoquinone
  • Phylloquinone (K1)#
  • Menaquinones (K2)
  • Menadione (K3)
  • Various (K4)
  • 4-Amino-2-methyl-1-naphthol (K5)
  • 2-Methylnaphthalene-1,4-diamine (K6)
  • 4-Amino-3-methyl-1-naphthol (K7)
Water
soluble
B
C
Combinations
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Mineral supplements (A12)
Major
Calcium#
Magnesium
Phosphorus
Potassium
Sodium
Sulfur
Trace
Copper
Iodine
Iron
  • (II) fumarate
  • (II) sulfate#
Selenium
Zinc
Ultratrace
Chromium
  • (III) picolinate
  • (III) chloride
Fluorine
Lithium
Vanadium
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Androgens
(incl. AASTooltip anabolic–androgenic steroid)
ARTooltip Androgen receptor agonists
Progonadotropins
Antiandrogens
ARTooltip Androgen receptor antagonists
Steroidogenesis
inhibitors
5α-Reductase
Others
Antigonadotropins
Others
See also
Androgen receptor modulators
Estrogens and antiestrogens
Progestogens and antiprogestogens
List of androgens/anabolic steroids
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Other alimentary tract and metabolism products (A16)
Amino acids and derivatives
Enzymes
Other