Gastroprazole D Capsule is a combination pharmaceutical formulation containing Domperidone 10 mg and Omeprazole 20 mg, designed for the management of gastrointestinal disorders associated with acid reflux and motility disturbances. Omeprazole, a proton pump inhibitor, effectively suppresses gastric acid secretion by irreversibly inhibiting the H+/K+ ATPase enzyme system at the secretory surface of gastric parietal cells, thereby providing symptomatic relief and promoting healing of acid-related mucosal damage. Domperidone, a peripheral dopamine D2 receptor antagonist, enhances gastrointestinal motility and accelerates gastric emptying, reducing symptoms such as nausea, vomiting, bloating, and discomfort associated with delayed gastric emptying or gastroparesis. The synergistic action of these two agents makes Gastroprazole D Capsule particularly useful in treating gastroesophageal reflux disease (GERD), functional dyspepsia, and other related upper gastrointestinal motility disorders. It is generally well tolerated; however, caution is advised in patients with cardiac arrhythmias or electrolyte imbalances due to Domperidone’s potential to prolong the QT interval. Gastroprazole D should be administered as prescribed by a healthcare professional, with adherence to recommended dosage and duration to optimize therapeutic outcomes and minimize adverse effects.