Code A03A - drugs for functional gastrointestinal disorders. ATC (Anatomic Therapeutic Chemical). Level 3
Level below
Code A03AA
synthetic anticholinergics, esters with tertiary amino group
Code A03AB
synthetic anticholinergics, quaternary ammonium compounds
Code A03AC
synthetic antispasmodics, amides with tertiary amines
Code A03AD
Code A03AE
serotonin receptor antagonists