This document discusses a new oral solution formulation of the drug Periset, which contains ondansetron hydrochloride and is used as an anti-emetic. It provides information on existing and new product formulations, indications, dosage and administration across different age groups for chemotherapy-induced nausea and vomiting, radiotherapy-induced nausea and vomiting, postoperative nausea and vomiting, and nausea during pregnancy. Market information on generic and oral solution formulations of ondansetron is also presented, along with highlighting points about Periset's effectiveness and safety in controlling nausea and vomiting in various conditions for both adults and children.