Don-A 60 ml Suspension, manufactured by ACME Laboratories Ltd., is a dopamine antagonist used to manage various gastrointestinal disorders. Domperidone works by blocking dopamine receptors in the chemoreceptor trigger zone (CTZ) and the stomach, enhancing gastric motility and accelerating gastric emptying. Its limited ability to cross the blood-brain barrier minimizes central nervous system side effects, making it suitable for patients who may be sensitive to such effects.