Costi 10mg (500s) refers to Domperidone 10mg tablets, with 500 tablets in the pack.Domperidone is a medication primarily used to treat nausea, vomiting, and gastrointestinal motility disorders. It works by blocking dopamine receptors in the stomach and intestines, helping to increase the movement of food through the digestive system and reduce symptoms like nausea or bloating.