• A06AA Softeners, emollients 1 medications
• A06AB Contact laxatives 12 medications
• A06AC Bulk-forming laxatives 2 medications
• A06AD Osmotically acting laxatives 40 medications
• A06AG Enemas 24 medications
• A06AH Peripheral opioid receptor antagonists 3 medications
• A06AX Other drugs for constipation 14 medications