UNIT-3- Drugs acting on G.I system Introduction to Drugs Acting on the Gastrointestinal (G.I.) System The gastrointestinal (G.I.) system plays a crucial role in digestion, absorption of nutrients, and elimination of waste. Various disorders, such as acid-peptic diseases, gastroesophageal reflux disease (GERD), constipation, diarrhea, irritable bowel syndrome (IBS), and inflammatory bowel disease (IBD), require pharmacological interventions. Drugs acting on the G.I. system help regulate gastric acid secretion, motility, digestion, and