Ondansetron is usually well tolerated in children, and most side effects are mild and temporary. Common effects include headache or constipation. Serious rhythm problems are uncommon but require caution in children with certain heart conditions or other QT‑prolonging medicines.
heart rhythm changes (QT prolongation) in at‑risk children—seek care if fainting, palpitations, or severe dizziness
Parent‑friendly monitoring focuses on hydration, comfort, and awareness of rare cardiac risks.
Information coming soon
Information coming soon
Information coming soon
Information coming soon
Parent and clinician concerns about Ondansetron