|A Alimentary tract and metabolism|
|A01 Stomatological preparations|
|A02 Drugs for acid related disorders|
|A03 Drugs for functional gastrointestinal disorders|
|A04 Antiemetics and antinauseants|
|A05 Bile and liver therapy|
|A06 Drugs for constipation|
|A07 Antidiarrheals, intestinal anti-inflammatory/anti-infective agents|
|A08 Antiobesity preparations, excluding diet products|
|A09 Digestives, including enzymes|
|A10 Drugs used in diabetes|
|A12 Mineral supplements|
|A14 Anabolic agents for systemic use|
|A15 Appetite stimulants|
|A16 Other alimentary tract and metabolism products|
ATC code A03 Drugs for functional gastrointestinal disorders 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 A03 is part of the anatomical group A Alimentary tract and metabolism.
Codes for veterinary use (ATCvet codes) can be created by placing the letter Q in front of the human ATC code: for example, QA03. ATCvet codes without corresponding human ATC codes are cited with the leading Q in the following list.
National issues of the ATC classification may include additional codes not present in this list, which follows the WHO version.