Active Ingredient: Ondansetron — 2 mg per 5 ml oral syrup (a serotonin 5-HT₃ receptor antagonist). Dosage Form: Oral syrup / oral solution. Strength: 2 mg ondansetron per 5 ml of syrup. Therapeutic Class: Antiemetic (nausea and vomiting controller) — belongs to serotonin (5-HT₃) receptor antagonists. Mechanism of Action: Blocks serotonin signals in the brain and gut that trigger nausea and vomiting. Ondansetron in syrup form is especially useful when tablets are hard to swallow (e.g., in children or older patients) and helps prevent and treat nausea/vomiting by targeting specific brain receptors without causing sedation. ONDEM 2 mg syrup is used to prevent and treat nausea and vomiting. Main Uses : Nausea and vomiting in children and adults Vomiting due to stomach infection (gastroenteritis) Medicine-induced nausea and vomiting Post-operative nausea and vomiting Chemotherapy- or radiotherapy-induced nausea and vomiting Ondem 2 mg Syrup is an antiemetic medication containing Ondansetron (2 mg/5 ml), primarily used to treat and prevent nausea and vomiting in children caused by chemotherapy, radiotherapy, stomach infections, or post-surgery. It works by blocking serotonin, a chemical that triggers vomiting in the gut and central nervous system. How it Helps : Blocks serotonin (5-HT₃) receptors in the brain and gut Prevents the vomiting reflex without causing sedation