Zopantol-D Tablet is a combination pharmaceutical formulation containing Domperidone 10 mg and Pantoprazole 40 mg, indicated for the management of gastroesophageal reflux disease (GERD), dyspepsia, and other acid-related gastrointestinal disorders. Domperidone, a peripheral dopamine D2 receptor antagonist, enhances gastrointestinal motility by increasing the movement of the stomach and intestines, thereby facilitating gastric emptying and reducing symptoms such as nausea, vomiting, and bloating. Pantoprazole, a proton pump inhibitor (PPI), suppresses gastric acid secretion by irreversibly inhibiting the H+/K+ ATPase enzyme system in the gastric parietal cells, leading to a significant reduction in gastric acidity. The synergistic action of these two agents provides effective relief from acid reflux, heartburn, and associated upper gastrointestinal discomfort. Zopantol-D is typically prescribed for short to medium-term use under medical supervision, with dosage adjusted based on clinical response. It is contraindicated in patients with hypersensitivity to either component, and caution is advised in those with hepatic impairment. Common adverse effects may include headache, dry mouth, and abdominal cramps. Patients should be advised to adhere to prescribed dosages and report any unusual symptoms to their healthcare provider promptly.